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Finding the Fourth Proportional to 54,055.83, 81,078.80 and 38,328.33

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Solution

The fourth proportional to 54,055.83, 81,078.80 and 38,328.33 is: 57,488.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,055.83 : 81,078.80 = 38,328.33 : x
  2. Step 2: Convert to fraction form
    54,055.83/81,078.80 = 38,328.33/x
  3. Step 3: Cross multiply
    54,055.83x = 81,078.80 × 38,328.33
  4. Step 4: Simplify right side
    54,055.83x = 3,107,614,810.76
  5. Step 5: Solve for x
    x = 3,107,614,810.76/54,055.83
  6. Step 6: Final answer
    x = 57,488.99

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