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Finding the Fourth Proportional to 61,989.72, 85,546.12 and 33,695.40

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Solution

The fourth proportional to 61,989.72, 85,546.12 and 33,695.40 is: 46,499.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,989.72 : 85,546.12 = 33,695.40 : x
  2. Step 2: Convert to fraction form
    61,989.72/85,546.12 = 33,695.40/x
  3. Step 3: Cross multiply
    61,989.72x = 85,546.12 × 33,695.40
  4. Step 4: Simplify right side
    61,989.72x = 2,882,510,731.85
  5. Step 5: Solve for x
    x = 2,882,510,731.85/61,989.72
  6. Step 6: Final answer
    x = 46,499.82

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