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Finding the Fourth Proportional to 39,517.97, 59,264.82 and 20,787.83

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Solution

The fourth proportional to 39,517.97, 59,264.82 and 20,787.83 is: 31,175.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,517.97 : 59,264.82 = 20,787.83 : x
  2. Step 2: Convert to fraction form
    39,517.97/59,264.82 = 20,787.83/x
  3. Step 3: Cross multiply
    39,517.97x = 59,264.82 × 20,787.83
  4. Step 4: Simplify right side
    39,517.97x = 1,231,986,706.82
  5. Step 5: Solve for x
    x = 1,231,986,706.82/39,517.97
  6. Step 6: Final answer
    x = 31,175.36

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