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Finding the Fourth Proportional to 67,191.32, 100,757.88 and 20,433.32

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Solution

The fourth proportional to 67,191.32, 100,757.88 and 20,433.32 is: 30,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,191.32 : 100,757.88 = 20,433.32 : x
  2. Step 2: Convert to fraction form
    67,191.32/100,757.88 = 20,433.32/x
  3. Step 3: Cross multiply
    67,191.32x = 100,757.88 × 20,433.32
  4. Step 4: Simplify right side
    67,191.32x = 2,058,818,004.56
  5. Step 5: Solve for x
    x = 2,058,818,004.56/67,191.32
  6. Step 6: Final answer
    x = 30,641.13

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