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Finding the Fourth Proportional to 31,463.67, 47,203.71 and 11,742.39

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Solution

The fourth proportional to 31,463.67, 47,203.71 and 11,742.39 is: 17,616.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,463.67 : 47,203.71 = 11,742.39 : x
  2. Step 2: Convert to fraction form
    31,463.67/47,203.71 = 11,742.39/x
  3. Step 3: Cross multiply
    31,463.67x = 47,203.71 × 11,742.39
  4. Step 4: Simplify right side
    31,463.67x = 554,284,372.27
  5. Step 5: Solve for x
    x = 554,284,372.27/31,463.67
  6. Step 6: Final answer
    x = 17,616.65

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