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Finding the Fourth Proportional to 47,978.84, 71,976.46 and 16,387.17

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Solution

The fourth proportional to 47,978.84, 71,976.46 and 16,387.17 is: 24,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,978.84 : 71,976.46 = 16,387.17 : x
  2. Step 2: Convert to fraction form
    47,978.84/71,976.46 = 16,387.17/x
  3. Step 3: Cross multiply
    47,978.84x = 71,976.46 × 16,387.17
  4. Step 4: Simplify right side
    47,978.84x = 1,179,490,306.08
  5. Step 5: Solve for x
    x = 1,179,490,306.08/47,978.84
  6. Step 6: Final answer
    x = 24,583.55

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