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A goal in each half from the Russian striker and two own goals ensured that the side who are currently sitting in fourth spot in the Premier League can now look forward to a London derby against Fulham in the quarter-final of the FA Cup.
A strong looking Spurs side looked to take the game to their Premier League counterparts from the off, with Sebastien Bassong fashioning the first real attempt at goal of the match after seven minutes.
After having stepped out from centre-back unchallenged, the Cameroon star proceeded to shoot from distance only to see his effort dip just over the top of Jussi Jaaskelainen's crossbar.
The visitors, who were without influential striker Kevin Davies, responded well when in the 12th minute Matt Taylor escaped in behind Gareth Bale only to see his low effort bundled behind by Tottenham goalkeeper Gomes.
Spurs were enjoying much of the possession during the early exchanges although lacked any real cutting edge and they were nearly punished following a slack piece of play from full-back Bale.
The Welshman casually gave away possession straight to Ivan Klasnic and the one-time Werder Bremen forward was extremely unlucky not to find the target with a fizzing drive from 25-yards out that would have certainly caused Gomes a problem.
It would be the home side that would take the lead, however, courtesy of in-form striker Pavlyuchenko. Fresh from his brace against Wigan Athletic on the weekend, the Russian turned Zat Knight with ease following Luka Modric's clever pass before steadying himself and slotting past Jaaskelainen.
Despite taking the lead, Harry Redknapp's side almost gifted Bolton an equaliser just a minute later when Modric gave the ball straight to Ricardo Gardener although fortunately for the home faithful, the Trotters man failed to test Gomes.
Tottenham were continuing to control proceedings and were close to doubling their lead after 29 minutes. Modric slid the ball through to Jermain Defoe and after cutting inside Andy O'Brien, the England attacker unleashed a shot from inside the area but Jaaskelainen was on hand to make the save.
The north London outfit did eventually double their lead and Defoe was again involved. The ex-Portsmouth hitman looked to have diverted Bassong's teasing low cross into the net although replays clearly showed that the ball had infact been diverted home by the unfortunate Jaaskelainen.
Bolton were struggling to create anything of note in front of goal towards the end of the first half although Klasnic did come close shortly before half-time when he forced Gomes into a decent save after good work from Fabrice Muamba.
Tottenham effectively put the tie beyond Bolton almost immediately after the whistle for the start of the second half as O'Brien scored the second own goal of the evening.
Gareth Bale's low driven cross was delivered into the perfect area and former Newcastle United defender O'Brien could only slide the ball past Jaaskelainen as he attempted to clear.
Redknapp's charges continued to dominate proceedings and Pavlyuchenko was unlucky not to grab his second of the night when his left footed strike from range was fumbled by Jaaskelainen only for the Finn to gather at the second attempt.
Substitute Eidur Gudjohnsen thought he had scored his first goal for his new club on the hour mark when he raced through and slotted home only to be flagged for offside.
Mustapha Riga, a second half replacement for Gardner, then came close on two occasions within the space of a minute when he first scuffed wide from Johan Elmander's flick-on before tamely shooting straight at Gomes moments later after cutting in from the left.
Croatian playmaker Modric then combined with Pavlyuchenko and side footed an effort inches wide before Riga once again squandered two clear-cut chances for Owen Coyle's side.
The Dutch winger blazed horribly over the top after a neat interchange between debutant Stuart Holden and Elmander and then, just moments later, Riga failed to beat Gomes from point-blank range with a headed effort.
Gudjohnsen once again came close against his former club midway through the second half when he instinctively diverted Bale's cross towards goal, forcing an impressive reaction save from Jaaskelainen.
Despite the scoreline, the Trotters continued to pour forward and were frequently causing problems for Michael Dawson and co at the heart of the Spurs defence. This time Holden reacted to Elmander's flick but he did little with his header and Gomes didn't have to move to make a comfortable save.
Pavlyuchenko sealed the victory for Spurs when he made it 4-0 with just minutes remaining. The former Spartak Moscow striker was picked out by D
Source: goal.en
