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Finding the Fourth Proportional to 31,975.22, 47,962.80 and 8,601.66

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Solution

The fourth proportional to 31,975.22, 47,962.80 and 8,601.66 is: 12,902.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,975.22 : 47,962.80 = 8,601.66 : x
  2. Step 2: Convert to fraction form
    31,975.22/47,962.80 = 8,601.66/x
  3. Step 3: Cross multiply
    31,975.22x = 47,962.80 × 8,601.66
  4. Step 4: Simplify right side
    31,975.22x = 412,559,698.25
  5. Step 5: Solve for x
    x = 412,559,698.25/31,975.22
  6. Step 6: Final answer
    x = 12,902.48

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