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Finding the Fourth Proportional to 33,431.80, 50,147.70 and 17,879.80

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Solution

The fourth proportional to 33,431.80, 50,147.70 and 17,879.80 is: 26,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,431.80 : 50,147.70 = 17,879.80 : x
  2. Step 2: Convert to fraction form
    33,431.80/50,147.70 = 17,879.80/x
  3. Step 3: Cross multiply
    33,431.80x = 50,147.70 × 17,879.80
  4. Step 4: Simplify right side
    33,431.80x = 896,630,846.46
  5. Step 5: Solve for x
    x = 896,630,846.46/33,431.80
  6. Step 6: Final answer
    x = 26,819.70

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