Home / 33,540.73-50,289.09-18,751.21

Finding the Fourth Proportional to 33,540.73, 50,289.09 and 18,751.21

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Solution

The fourth proportional to 33,540.73, 50,289.09 and 18,751.21 is: 28,114.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,540.73 : 50,289.09 = 18,751.21 : x
  2. Step 2: Convert to fraction form
    33,540.73/50,289.09 = 18,751.21/x
  3. Step 3: Cross multiply
    33,540.73x = 50,289.09 × 18,751.21
  4. Step 4: Simplify right side
    33,540.73x = 942,981,287.30
  5. Step 5: Solve for x
    x = 942,981,287.30/33,540.73
  6. Step 6: Final answer
    x = 28,114.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.