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Finding the Fourth Proportional to 36,380.97, 54,511.11 and 12,675.98

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Solution

The fourth proportional to 36,380.97, 54,511.11 and 12,675.98 is: 18,992.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,380.97 : 54,511.11 = 12,675.98 : x
  2. Step 2: Convert to fraction form
    36,380.97/54,511.11 = 12,675.98/x
  3. Step 3: Cross multiply
    36,380.97x = 54,511.11 × 12,675.98
  4. Step 4: Simplify right side
    36,380.97x = 690,981,876.42
  5. Step 5: Solve for x
    x = 690,981,876.42/36,380.97
  6. Step 6: Final answer
    x = 18,992.95

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