Home / 62,659.42-86,456.45-39,695.92

Finding the Fourth Proportional to 62,659.42, 86,456.45 and 39,695.92

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Solution

The fourth proportional to 62,659.42, 86,456.45 and 39,695.92 is: 54,771.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,659.42 : 86,456.45 = 39,695.92 : x
  2. Step 2: Convert to fraction form
    62,659.42/86,456.45 = 39,695.92/x
  3. Step 3: Cross multiply
    62,659.42x = 86,456.45 × 39,695.92
  4. Step 4: Simplify right side
    62,659.42x = 3,431,967,691.92
  5. Step 5: Solve for x
    x = 3,431,967,691.92/62,659.42
  6. Step 6: Final answer
    x = 54,771.78

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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.