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Finding the Fourth Proportional to 40,456, 60,694.24 and 11,272

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Solution

The fourth proportional to 40,456, 60,694.24 and 11,272 is: 16,910.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,456 : 60,694.24 = 11,272 : x
  2. Step 2: Convert to fraction form
    40,456/60,694.24 = 11,272/x
  3. Step 3: Cross multiply
    40,456x = 60,694.24 × 11,272
  4. Step 4: Simplify right side
    40,456x = 684,145,473.28
  5. Step 5: Solve for x
    x = 684,145,473.28/40,456
  6. Step 6: Final answer
    x = 16,910.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.