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Finding the Fourth Proportional to 57,640.47, 79,543.78 and 32,149.09

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Solution

The fourth proportional to 57,640.47, 79,543.78 and 32,149.09 is: 44,365.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,640.47 : 79,543.78 = 32,149.09 : x
  2. Step 2: Convert to fraction form
    57,640.47/79,543.78 = 32,149.09/x
  3. Step 3: Cross multiply
    57,640.47x = 79,543.78 × 32,149.09
  4. Step 4: Simplify right side
    57,640.47x = 2,557,260,142.16
  5. Step 5: Solve for x
    x = 2,557,260,142.16/57,640.47
  6. Step 6: Final answer
    x = 44,365.71

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