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Finding the Fourth Proportional to 47,704, 71,556 and 14,872

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Solution

The fourth proportional to 47,704, 71,556 and 14,872 is: 22,308

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,704 : 71,556 = 14,872 : x
  2. Step 2: Convert to fraction form
    47,704/71,556 = 14,872/x
  3. Step 3: Cross multiply
    47,704x = 71,556 × 14,872
  4. Step 4: Simplify right side
    47,704x = 1,064,180,832
  5. Step 5: Solve for x
    x = 1,064,180,832/47,704
  6. Step 6: Final answer
    x = 22,308

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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.