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Finding the Fourth Proportional to 54,903.70, 82,355.55 and 25,379.20

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Solution

The fourth proportional to 54,903.70, 82,355.55 and 25,379.20 is: 38,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,903.70 : 82,355.55 = 25,379.20 : x
  2. Step 2: Convert to fraction form
    54,903.70/82,355.55 = 25,379.20/x
  3. Step 3: Cross multiply
    54,903.70x = 82,355.55 × 25,379.20
  4. Step 4: Simplify right side
    54,903.70x = 2,090,117,974.56
  5. Step 5: Solve for x
    x = 2,090,117,974.56/54,903.70
  6. Step 6: Final answer
    x = 38,068.80

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