Home / 42,419.38-63,629.07-16,117.90

Finding the Fourth Proportional to 42,419.38, 63,629.07 and 16,117.90

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Solution

The fourth proportional to 42,419.38, 63,629.07 and 16,117.90 is: 24,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,419.38 : 63,629.07 = 16,117.90 : x
  2. Step 2: Convert to fraction form
    42,419.38/63,629.07 = 16,117.90/x
  3. Step 3: Cross multiply
    42,419.38x = 63,629.07 × 16,117.90
  4. Step 4: Simplify right side
    42,419.38x = 1,025,566,987.35
  5. Step 5: Solve for x
    x = 1,025,566,987.35/42,419.38
  6. Step 6: Final answer
    x = 24,176.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.