Home / 52,419.71-72,337.29-28,545.86

Finding the Fourth Proportional to 52,419.71, 72,337.29 and 28,545.86

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Solution

The fourth proportional to 52,419.71, 72,337.29 and 28,545.86 is: 39,392.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,419.71 : 72,337.29 = 28,545.86 : x
  2. Step 2: Convert to fraction form
    52,419.71/72,337.29 = 28,545.86/x
  3. Step 3: Cross multiply
    52,419.71x = 72,337.29 × 28,545.86
  4. Step 4: Simplify right side
    52,419.71x = 2,064,930,153.12
  5. Step 5: Solve for x
    x = 2,064,930,153.12/52,419.71
  6. Step 6: Final answer
    x = 39,392.25

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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.