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Finding the Fourth Proportional to 67,731.41, 93,470.87 and 38,659.20

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Solution

The fourth proportional to 67,731.41, 93,470.87 and 38,659.20 is: 53,350.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,731.41 : 93,470.87 = 38,659.20 : x
  2. Step 2: Convert to fraction form
    67,731.41/93,470.87 = 38,659.20/x
  3. Step 3: Cross multiply
    67,731.41x = 93,470.87 × 38,659.20
  4. Step 4: Simplify right side
    67,731.41x = 3,613,508,864.21
  5. Step 5: Solve for x
    x = 3,613,508,864.21/67,731.41
  6. Step 6: Final answer
    x = 53,350.56

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