Home / 42,692.30-64,049.65-16,397.90

Finding the Fourth Proportional to 42,692.30, 64,049.65 and 16,397.90

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Solution

The fourth proportional to 42,692.30, 64,049.65 and 16,397.90 is: 24,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,692.30 : 64,049.65 = 16,397.90 : x
  2. Step 2: Convert to fraction form
    42,692.30/64,049.65 = 16,397.90/x
  3. Step 3: Cross multiply
    42,692.30x = 64,049.65 × 16,397.90
  4. Step 4: Simplify right side
    42,692.30x = 1,050,279,755.74
  5. Step 5: Solve for x
    x = 1,050,279,755.74/42,692.30
  6. Step 6: Final answer
    x = 24,601.15

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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.