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Finding the Fourth Proportional to 54,212.70, 81,278.88 and 25,735.56

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Solution

The fourth proportional to 54,212.70, 81,278.88 and 25,735.56 is: 38,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,212.70 : 81,278.88 = 25,735.56 : x
  2. Step 2: Convert to fraction form
    54,212.70/81,278.88 = 25,735.56/x
  3. Step 3: Cross multiply
    54,212.70x = 81,278.88 × 25,735.56
  4. Step 4: Simplify right side
    54,212.70x = 2,091,757,492.97
  5. Step 5: Solve for x
    x = 2,091,757,492.97/54,212.70
  6. Step 6: Final answer
    x = 38,584.27

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