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Finding the Fourth Proportional to 63,692.85, 95,554.92 and 31,687.03

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Solution

The fourth proportional to 63,692.85, 95,554.92 and 31,687.03 is: 47,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,692.85 : 95,554.92 = 31,687.03 : x
  2. Step 2: Convert to fraction form
    63,692.85/95,554.92 = 31,687.03/x
  3. Step 3: Cross multiply
    63,692.85x = 95,554.92 × 31,687.03
  4. Step 4: Simplify right side
    63,692.85x = 3,027,851,616.69
  5. Step 5: Solve for x
    x = 3,027,851,616.69/63,692.85
  6. Step 6: Final answer
    x = 47,538.33

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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.