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Finding the Fourth Proportional to 40,107, 55,348.96 and 23,109.92

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Solution

The fourth proportional to 40,107, 55,348.96 and 23,109.92 is: 31,892.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,107 : 55,348.96 = 23,109.92 : x
  2. Step 2: Convert to fraction form
    40,107/55,348.96 = 23,109.92/x
  3. Step 3: Cross multiply
    40,107x = 55,348.96 × 23,109.92
  4. Step 4: Simplify right side
    40,107x = 1,279,110,037.68
  5. Step 5: Solve for x
    x = 1,279,110,037.68/40,107
  6. Step 6: Final answer
    x = 31,892.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.