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Finding the Fourth Proportional to 67,243.96, 100,859.46 and 20,497.24

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Solution

The fourth proportional to 67,243.96, 100,859.46 and 20,497.24 is: 30,743.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,243.96 : 100,859.46 = 20,497.24 : x
  2. Step 2: Convert to fraction form
    67,243.96/100,859.46 = 20,497.24/x
  3. Step 3: Cross multiply
    67,243.96x = 100,859.46 × 20,497.24
  4. Step 4: Simplify right side
    67,243.96x = 2,067,340,557.89
  5. Step 5: Solve for x
    x = 2,067,340,557.89/67,243.96
  6. Step 6: Final answer
    x = 30,743.88

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