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Finding the Fourth Proportional to 31,335.97, 47,008.35 and 9,150.99

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Solution

The fourth proportional to 31,335.97, 47,008.35 and 9,150.99 is: 13,727.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335.97 : 47,008.35 = 9,150.99 : x
  2. Step 2: Convert to fraction form
    31,335.97/47,008.35 = 9,150.99/x
  3. Step 3: Cross multiply
    31,335.97x = 47,008.35 × 9,150.99
  4. Step 4: Simplify right side
    31,335.97x = 430,172,940.77
  5. Step 5: Solve for x
    x = 430,172,940.77/31,335.97
  6. Step 6: Final answer
    x = 13,727.77

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