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Finding the Fourth Proportional to 32,743.80, 49,115.70 and 8,119.80

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Solution

The fourth proportional to 32,743.80, 49,115.70 and 8,119.80 is: 12,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,743.80 : 49,115.70 = 8,119.80 : x
  2. Step 2: Convert to fraction form
    32,743.80/49,115.70 = 8,119.80/x
  3. Step 3: Cross multiply
    32,743.80x = 49,115.70 × 8,119.80
  4. Step 4: Simplify right side
    32,743.80x = 398,809,660.86
  5. Step 5: Solve for x
    x = 398,809,660.86/32,743.80
  6. Step 6: Final answer
    x = 12,179.70

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