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Finding the Fourth Proportional to 40,158.72, 55,419.50 and 22,254.03

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Solution

The fourth proportional to 40,158.72, 55,419.50 and 22,254.03 is: 30,710.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,158.72 : 55,419.50 = 22,254.03 : x
  2. Step 2: Convert to fraction form
    40,158.72/55,419.50 = 22,254.03/x
  3. Step 3: Cross multiply
    40,158.72x = 55,419.50 × 22,254.03
  4. Step 4: Simplify right side
    40,158.72x = 1,233,307,215.59
  5. Step 5: Solve for x
    x = 1,233,307,215.59/40,158.72
  6. Step 6: Final answer
    x = 30,710.82

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