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Finding the Fourth Proportional to 62,233.73, 85,890.90 and 39,574.97

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Solution

The fourth proportional to 62,233.73, 85,890.90 and 39,574.97 is: 54,618.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,233.73 : 85,890.90 = 39,574.97 : x
  2. Step 2: Convert to fraction form
    62,233.73/85,890.90 = 39,574.97/x
  3. Step 3: Cross multiply
    62,233.73x = 85,890.90 × 39,574.97
  4. Step 4: Simplify right side
    62,233.73x = 3,399,129,790.77
  5. Step 5: Solve for x
    x = 3,399,129,790.77/62,233.73
  6. Step 6: Final answer
    x = 54,618.77

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1.5x scale

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.