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Finding the Fourth Proportional to 33,108.75, 45,689.94 and 18,961.29

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Solution

The fourth proportional to 33,108.75, 45,689.94 and 18,961.29 is: 26,166.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,108.75 : 45,689.94 = 18,961.29 : x
  2. Step 2: Convert to fraction form
    33,108.75/45,689.94 = 18,961.29/x
  3. Step 3: Cross multiply
    33,108.75x = 45,689.94 × 18,961.29
  4. Step 4: Simplify right side
    33,108.75x = 866,340,202.42
  5. Step 5: Solve for x
    x = 866,340,202.42/33,108.75
  6. Step 6: Final answer
    x = 26,166.50

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