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Finding the Fourth Proportional to 40,732.91, 61,108.91 and 12,651.53

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Solution

The fourth proportional to 40,732.91, 61,108.91 and 12,651.53 is: 18,980.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,732.91 : 61,108.91 = 12,651.53 : x
  2. Step 2: Convert to fraction form
    40,732.91/61,108.91 = 12,651.53/x
  3. Step 3: Cross multiply
    40,732.91x = 61,108.91 × 12,651.53
  4. Step 4: Simplify right side
    40,732.91x = 773,121,208.13
  5. Step 5: Solve for x
    x = 773,121,208.13/40,732.91
  6. Step 6: Final answer
    x = 18,980.26

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