Home / 47,692.62-71,538.94-12,635.02

Finding the Fourth Proportional to 47,692.62, 71,538.94 and 12,635.02

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Solution

The fourth proportional to 47,692.62, 71,538.94 and 12,635.02 is: 18,952.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,692.62 : 71,538.94 = 12,635.02 : x
  2. Step 2: Convert to fraction form
    47,692.62/71,538.94 = 12,635.02/x
  3. Step 3: Cross multiply
    47,692.62x = 71,538.94 × 12,635.02
  4. Step 4: Simplify right side
    47,692.62x = 903,895,937.68
  5. Step 5: Solve for x
    x = 903,895,937.68/47,692.62
  6. Step 6: Final answer
    x = 18,952.53

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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.