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Finding the Fourth Proportional to 54,942.71, 82,328.81 and 38,108.59

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Solution

The fourth proportional to 54,942.71, 82,328.81 and 38,108.59 is: 57,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,942.71 : 82,328.81 = 38,108.59 : x
  2. Step 2: Convert to fraction form
    54,942.71/82,328.81 = 38,108.59/x
  3. Step 3: Cross multiply
    54,942.71x = 82,328.81 × 38,108.59
  4. Step 4: Simplify right side
    54,942.71x = 3,137,434,865.48
  5. Step 5: Solve for x
    x = 3,137,434,865.48/54,942.71
  6. Step 6: Final answer
    x = 57,103.75

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