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Finding the Fourth Proportional to 49,502.80, 74,254.20 and 31,992.40

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Solution

The fourth proportional to 49,502.80, 74,254.20 and 31,992.40 is: 47,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,502.80 : 74,254.20 = 31,992.40 : x
  2. Step 2: Convert to fraction form
    49,502.80/74,254.20 = 31,992.40/x
  3. Step 3: Cross multiply
    49,502.80x = 74,254.20 × 31,992.40
  4. Step 4: Simplify right side
    49,502.80x = 2,375,570,068.08
  5. Step 5: Solve for x
    x = 2,375,570,068.08/49,502.80
  6. Step 6: Final answer
    x = 47,988.60

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