Home / 39,801.20-54,925.21-29,637.70

Finding the Fourth Proportional to 39,801.20, 54,925.21 and 29,637.70

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Solution

The fourth proportional to 39,801.20, 54,925.21 and 29,637.70 is: 40,899.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,801.20 : 54,925.21 = 29,637.70 : x
  2. Step 2: Convert to fraction form
    39,801.20/54,925.21 = 29,637.70/x
  3. Step 3: Cross multiply
    39,801.20x = 54,925.21 × 29,637.70
  4. Step 4: Simplify right side
    39,801.20x = 1,627,856,629.44
  5. Step 5: Solve for x
    x = 1,627,856,629.44/39,801.20
  6. Step 6: Final answer
    x = 40,899.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.