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Finding the Fourth Proportional to 31,703.97, 43,748.40 and 18,954.61

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Solution

The fourth proportional to 31,703.97, 43,748.40 and 18,954.61 is: 26,155.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703.97 : 43,748.40 = 18,954.61 : x
  2. Step 2: Convert to fraction form
    31,703.97/43,748.40 = 18,954.61/x
  3. Step 3: Cross multiply
    31,703.97x = 43,748.40 × 18,954.61
  4. Step 4: Simplify right side
    31,703.97x = 829,233,860.12
  5. Step 5: Solve for x
    x = 829,233,860.12/31,703.97
  6. Step 6: Final answer
    x = 26,155.52

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