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Finding the Fourth Proportional to 31,500.33, 47,255.12 and 11,510.82

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Solution

The fourth proportional to 31,500.33, 47,255.12 and 11,510.82 is: 17,267.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500.33 : 47,255.12 = 11,510.82 : x
  2. Step 2: Convert to fraction form
    31,500.33/47,255.12 = 11,510.82/x
  3. Step 3: Cross multiply
    31,500.33x = 47,255.12 × 11,510.82
  4. Step 4: Simplify right side
    31,500.33x = 543,945,122.84
  5. Step 5: Solve for x
    x = 543,945,122.84/31,500.33
  6. Step 6: Final answer
    x = 17,267.92

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