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Finding the Fourth Proportional to 54,311.37, 81,479.81 and 16,869.52

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Solution

The fourth proportional to 54,311.37, 81,479.81 and 16,869.52 is: 25,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311.37 : 81,479.81 = 16,869.52 : x
  2. Step 2: Convert to fraction form
    54,311.37/81,479.81 = 16,869.52/x
  3. Step 3: Cross multiply
    54,311.37x = 81,479.81 × 16,869.52
  4. Step 4: Simplify right side
    54,311.37x = 1,374,525,284.39
  5. Step 5: Solve for x
    x = 1,374,525,284.39/54,311.37
  6. Step 6: Final answer
    x = 25,308.24

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