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Finding the Fourth Proportional to 54,661.52, 75,407.12 and 31,986.48

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Solution

The fourth proportional to 54,661.52, 75,407.12 and 31,986.48 is: 44,126.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,661.52 : 75,407.12 = 31,986.48 : x
  2. Step 2: Convert to fraction form
    54,661.52/75,407.12 = 31,986.48/x
  3. Step 3: Cross multiply
    54,661.52x = 75,407.12 × 31,986.48
  4. Step 4: Simplify right side
    54,661.52x = 2,412,008,071.82
  5. Step 5: Solve for x
    x = 2,412,008,071.82/54,661.52
  6. Step 6: Final answer
    x = 44,126.25

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