Home / 63,939.78-95,911.49-19,565.55

Finding the Fourth Proportional to 63,939.78, 95,911.49 and 19,565.55

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Solution

The fourth proportional to 63,939.78, 95,911.49 and 19,565.55 is: 29,348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,939.78 : 95,911.49 = 19,565.55 : x
  2. Step 2: Convert to fraction form
    63,939.78/95,911.49 = 19,565.55/x
  3. Step 3: Cross multiply
    63,939.78x = 95,911.49 × 19,565.55
  4. Step 4: Simplify right side
    63,939.78x = 1,876,561,102.08
  5. Step 5: Solve for x
    x = 1,876,561,102.08/63,939.78
  6. Step 6: Final answer
    x = 29,348.88

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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.