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Finding the Fourth Proportional to 64,519.95, 96,792.17 and 22,398.39

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Solution

The fourth proportional to 64,519.95, 96,792.17 and 22,398.39 is: 33,601.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,519.95 : 96,792.17 = 22,398.39 : x
  2. Step 2: Convert to fraction form
    64,519.95/96,792.17 = 22,398.39/x
  3. Step 3: Cross multiply
    64,519.95x = 96,792.17 × 22,398.39
  4. Step 4: Simplify right side
    64,519.95x = 2,167,988,660.61
  5. Step 5: Solve for x
    x = 2,167,988,660.61/64,519.95
  6. Step 6: Final answer
    x = 33,601.83

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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.