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Finding the Fourth Proportional to 67,679.70, 101,499.84 and 20,292.90

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Solution

The fourth proportional to 67,679.70, 101,499.84 and 20,292.90 is: 30,433.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,679.70 : 101,499.84 = 20,292.90 : x
  2. Step 2: Convert to fraction form
    67,679.70/101,499.84 = 20,292.90/x
  3. Step 3: Cross multiply
    67,679.70x = 101,499.84 × 20,292.90
  4. Step 4: Simplify right side
    67,679.70x = 2,059,726,103.14
  5. Step 5: Solve for x
    x = 2,059,726,103.14/67,679.70
  6. Step 6: Final answer
    x = 30,433.44

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