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Finding the Fourth Proportional to 55,300.80, 82,951.51 and 13,747.80

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Solution

The fourth proportional to 55,300.80, 82,951.51 and 13,747.80 is: 20,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,300.80 : 82,951.51 = 13,747.80 : x
  2. Step 2: Convert to fraction form
    55,300.80/82,951.51 = 13,747.80/x
  3. Step 3: Cross multiply
    55,300.80x = 82,951.51 × 13,747.80
  4. Step 4: Simplify right side
    55,300.80x = 1,140,400,769.18
  5. Step 5: Solve for x
    x = 1,140,400,769.18/55,300.80
  6. Step 6: Final answer
    x = 20,621.78

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