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Finding the Fourth Proportional to 31,633.74, 47,453.85 and 11,928.87

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Solution

The fourth proportional to 31,633.74, 47,453.85 and 11,928.87 is: 17,894.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,633.74 : 47,453.85 = 11,928.87 : x
  2. Step 2: Convert to fraction form
    31,633.74/47,453.85 = 11,928.87/x
  3. Step 3: Cross multiply
    31,633.74x = 47,453.85 × 11,928.87
  4. Step 4: Simplify right side
    31,633.74x = 566,070,807.65
  5. Step 5: Solve for x
    x = 566,070,807.65/31,633.74
  6. Step 6: Final answer
    x = 17,894.53

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