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Finding the Fourth Proportional to 29,931.91, 41,308.50 and 16,505.80

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Solution

The fourth proportional to 29,931.91, 41,308.50 and 16,505.80 is: 22,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,931.91 : 41,308.50 = 16,505.80 : x
  2. Step 2: Convert to fraction form
    29,931.91/41,308.50 = 16,505.80/x
  3. Step 3: Cross multiply
    29,931.91x = 41,308.50 × 16,505.80
  4. Step 4: Simplify right side
    29,931.91x = 681,829,839.30
  5. Step 5: Solve for x
    x = 681,829,839.30/29,931.91
  6. Step 6: Final answer
    x = 22,779.36

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