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Finding the Fourth Proportional to 54,931.60, 82,429.80 and 36,265.60

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Solution

The fourth proportional to 54,931.60, 82,429.80 and 36,265.60 is: 54,419.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,931.60 : 82,429.80 = 36,265.60 : x
  2. Step 2: Convert to fraction form
    54,931.60/82,429.80 = 36,265.60/x
  3. Step 3: Cross multiply
    54,931.60x = 82,429.80 × 36,265.60
  4. Step 4: Simplify right side
    54,931.60x = 2,989,366,154.88
  5. Step 5: Solve for x
    x = 2,989,366,154.88/54,931.60
  6. Step 6: Final answer
    x = 54,419.79

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