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Finding the Fourth Proportional to 31,725.70, 47,610.08 and 16,945.22

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Solution

The fourth proportional to 31,725.70, 47,610.08 and 16,945.22 is: 25,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,725.70 : 47,610.08 = 16,945.22 : x
  2. Step 2: Convert to fraction form
    31,725.70/47,610.08 = 16,945.22/x
  3. Step 3: Cross multiply
    31,725.70x = 47,610.08 × 16,945.22
  4. Step 4: Simplify right side
    31,725.70x = 806,763,279.82
  5. Step 5: Solve for x
    x = 806,763,279.82/31,725.70
  6. Step 6: Final answer
    x = 25,429.33

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