Home / 54,169.80-74,761.37-30,301.42

Finding the Fourth Proportional to 54,169.80, 74,761.37 and 30,301.42

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Solution

The fourth proportional to 54,169.80, 74,761.37 and 30,301.42 is: 41,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,169.80 : 74,761.37 = 30,301.42 : x
  2. Step 2: Convert to fraction form
    54,169.80/74,761.37 = 30,301.42/x
  3. Step 3: Cross multiply
    54,169.80x = 74,761.37 × 30,301.42
  4. Step 4: Simplify right side
    54,169.80x = 2,265,375,520.64
  5. Step 5: Solve for x
    x = 2,265,375,520.64/54,169.80
  6. Step 6: Final answer
    x = 41,819.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.