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Finding the Fourth Proportional to 54,451.84, 75,148.68 and 31,788.94

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Solution

The fourth proportional to 54,451.84, 75,148.68 and 31,788.94 is: 43,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,451.84 : 75,148.68 = 31,788.94 : x
  2. Step 2: Convert to fraction form
    54,451.84/75,148.68 = 31,788.94/x
  3. Step 3: Cross multiply
    54,451.84x = 75,148.68 × 31,788.94
  4. Step 4: Simplify right side
    54,451.84x = 2,388,896,879.60
  5. Step 5: Solve for x
    x = 2,388,896,879.60/54,451.84
  6. Step 6: Final answer
    x = 43,871.74

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