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Finding the Fourth Proportional to 59,134.39, 88,715.70 and 19,691.84

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Solution

The fourth proportional to 59,134.39, 88,715.70 and 19,691.84 is: 29,542.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,134.39 : 88,715.70 = 19,691.84 : x
  2. Step 2: Convert to fraction form
    59,134.39/88,715.70 = 19,691.84/x
  3. Step 3: Cross multiply
    59,134.39x = 88,715.70 × 19,691.84
  4. Step 4: Simplify right side
    59,134.39x = 1,746,975,369.89
  5. Step 5: Solve for x
    x = 1,746,975,369.89/59,134.39
  6. Step 6: Final answer
    x = 29,542.46

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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.