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Finding the Fourth Proportional to 33,157.43, 45,758.00 and 18,818.21

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Solution

The fourth proportional to 33,157.43, 45,758.00 and 18,818.21 is: 25,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,157.43 : 45,758.00 = 18,818.21 : x
  2. Step 2: Convert to fraction form
    33,157.43/45,758.00 = 18,818.21/x
  3. Step 3: Cross multiply
    33,157.43x = 45,758.00 × 18,818.21
  4. Step 4: Simplify right side
    33,157.43x = 861,083,330.30
  5. Step 5: Solve for x
    x = 861,083,330.30/33,157.43
  6. Step 6: Final answer
    x = 25,969.55

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