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Finding the Fourth Proportional to 63,446, 95,169 and 19,670

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Solution

The fourth proportional to 63,446, 95,169 and 19,670 is: 29,505

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,446 : 95,169 = 19,670 : x
  2. Step 2: Convert to fraction form
    63,446/95,169 = 19,670/x
  3. Step 3: Cross multiply
    63,446x = 95,169 × 19,670
  4. Step 4: Simplify right side
    63,446x = 1,871,974,230
  5. Step 5: Solve for x
    x = 1,871,974,230/63,446
  6. Step 6: Final answer
    x = 29,505

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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.