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Finding the Fourth Proportional to 53,702.84, 80,431.56 and 25,642.55

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Solution

The fourth proportional to 53,702.84, 80,431.56 and 25,642.55 is: 38,405.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,702.84 : 80,431.56 = 25,642.55 : x
  2. Step 2: Convert to fraction form
    53,702.84/80,431.56 = 25,642.55/x
  3. Step 3: Cross multiply
    53,702.84x = 80,431.56 × 25,642.55
  4. Step 4: Simplify right side
    53,702.84x = 2,062,470,399.42
  5. Step 5: Solve for x
    x = 2,062,470,399.42/53,702.84
  6. Step 6: Final answer
    x = 38,405.24

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