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Finding the Fourth Proportional to 31,419.03, 43,358.26 and 17,994.73

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Solution

The fourth proportional to 31,419.03, 43,358.26 and 17,994.73 is: 24,832.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,419.03 : 43,358.26 = 17,994.73 : x
  2. Step 2: Convert to fraction form
    31,419.03/43,358.26 = 17,994.73/x
  3. Step 3: Cross multiply
    31,419.03x = 43,358.26 × 17,994.73
  4. Step 4: Simplify right side
    31,419.03x = 780,220,181.97
  5. Step 5: Solve for x
    x = 780,220,181.97/31,419.03
  6. Step 6: Final answer
    x = 24,832.73

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