Home / 42,545.08-63,934.26-40,129.66

Finding the Fourth Proportional to 42,545.08, 63,934.26 and 40,129.66

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Solution

The fourth proportional to 42,545.08, 63,934.26 and 40,129.66 is: 60,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,545.08 : 63,934.26 = 40,129.66 : x
  2. Step 2: Convert to fraction form
    42,545.08/63,934.26 = 40,129.66/x
  3. Step 3: Cross multiply
    42,545.08x = 63,934.26 × 40,129.66
  4. Step 4: Simplify right side
    42,545.08x = 2,565,660,116.15
  5. Step 5: Solve for x
    x = 2,565,660,116.15/42,545.08
  6. Step 6: Final answer
    x = 60,304.51

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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.