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Finding the Fourth Proportional to 67,032.70, 100,395.89 and 31,996.96

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Solution

The fourth proportional to 67,032.70, 100,395.89 and 31,996.96 is: 47,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,032.70 : 100,395.89 = 31,996.96 : x
  2. Step 2: Convert to fraction form
    67,032.70/100,395.89 = 31,996.96/x
  3. Step 3: Cross multiply
    67,032.70x = 100,395.89 × 31,996.96
  4. Step 4: Simplify right side
    67,032.70x = 3,212,362,614.53
  5. Step 5: Solve for x
    x = 3,212,362,614.53/67,032.70
  6. Step 6: Final answer
    x = 47,922.33

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