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Finding the Fourth Proportional to 31,305.68, 43,201.73 and 16,965.92

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Solution

The fourth proportional to 31,305.68, 43,201.73 and 16,965.92 is: 23,412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,305.68 : 43,201.73 = 16,965.92 : x
  2. Step 2: Convert to fraction form
    31,305.68/43,201.73 = 16,965.92/x
  3. Step 3: Cross multiply
    31,305.68x = 43,201.73 × 16,965.92
  4. Step 4: Simplify right side
    31,305.68x = 732,957,034.26
  5. Step 5: Solve for x
    x = 732,957,034.26/31,305.68
  6. Step 6: Final answer
    x = 23,412.91

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