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Finding the Fourth Proportional to 63,774.52, 95,672.24 and 19,390.97

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Solution

The fourth proportional to 63,774.52, 95,672.24 and 19,390.97 is: 29,089.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,774.52 : 95,672.24 = 19,390.97 : x
  2. Step 2: Convert to fraction form
    63,774.52/95,672.24 = 19,390.97/x
  3. Step 3: Cross multiply
    63,774.52x = 95,672.24 × 19,390.97
  4. Step 4: Simplify right side
    63,774.52x = 1,855,177,535.67
  5. Step 5: Solve for x
    x = 1,855,177,535.67/63,774.52
  6. Step 6: Final answer
    x = 29,089.64

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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.