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Finding the Fourth Proportional to 62,658.39, 93,956.49 and 19,958.25

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Solution

The fourth proportional to 62,658.39, 93,956.49 and 19,958.25 is: 29,927.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,658.39 : 93,956.49 = 19,958.25 : x
  2. Step 2: Convert to fraction form
    62,658.39/93,956.49 = 19,958.25/x
  3. Step 3: Cross multiply
    62,658.39x = 93,956.49 × 19,958.25
  4. Step 4: Simplify right side
    62,658.39x = 1,875,207,116.54
  5. Step 5: Solve for x
    x = 1,875,207,116.54/62,658.39
  6. Step 6: Final answer
    x = 29,927.47

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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.