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Finding the Fourth Proportional to 47,131.92, 65,043.72 and 25,912.80

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Solution

The fourth proportional to 47,131.92, 65,043.72 and 25,912.80 is: 35,760.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,131.92 : 65,043.72 = 25,912.80 : x
  2. Step 2: Convert to fraction form
    47,131.92/65,043.72 = 25,912.80/x
  3. Step 3: Cross multiply
    47,131.92x = 65,043.72 × 25,912.80
  4. Step 4: Simplify right side
    47,131.92x = 1,685,464,907.62
  5. Step 5: Solve for x
    x = 1,685,464,907.62/47,131.92
  6. Step 6: Final answer
    x = 35,760.58

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