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Finding the Fourth Proportional to 31,799.94, 43,885.44 and 18,372.98

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Solution

The fourth proportional to 31,799.94, 43,885.44 and 18,372.98 is: 25,355.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,799.94 : 43,885.44 = 18,372.98 : x
  2. Step 2: Convert to fraction form
    31,799.94/43,885.44 = 18,372.98/x
  3. Step 3: Cross multiply
    31,799.94x = 43,885.44 × 18,372.98
  4. Step 4: Simplify right side
    31,799.94x = 806,306,091.98
  5. Step 5: Solve for x
    x = 806,306,091.98/31,799.94
  6. Step 6: Final answer
    x = 25,355.59

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