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Finding the Fourth Proportional to 31,971.82, 47,971.55 and 17,163.44

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Solution

The fourth proportional to 31,971.82, 47,971.55 and 17,163.44 is: 25,752.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,971.82 : 47,971.55 = 17,163.44 : x
  2. Step 2: Convert to fraction form
    31,971.82/47,971.55 = 17,163.44/x
  3. Step 3: Cross multiply
    31,971.82x = 47,971.55 × 17,163.44
  4. Step 4: Simplify right side
    31,971.82x = 823,356,854.24
  5. Step 5: Solve for x
    x = 823,356,854.24/31,971.82
  6. Step 6: Final answer
    x = 25,752.58

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