Home / 49,847.28-74,770.92-20,258.19

Finding the Fourth Proportional to 49,847.28, 74,770.92 and 20,258.19

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Solution

The fourth proportional to 49,847.28, 74,770.92 and 20,258.19 is: 30,387.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,847.28 : 74,770.92 = 20,258.19 : x
  2. Step 2: Convert to fraction form
    49,847.28/74,770.92 = 20,258.19/x
  3. Step 3: Cross multiply
    49,847.28x = 74,770.92 × 20,258.19
  4. Step 4: Simplify right side
    49,847.28x = 1,514,723,503.83
  5. Step 5: Solve for x
    x = 1,514,723,503.83/49,847.28
  6. Step 6: Final answer
    x = 30,387.29

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1.5x scale

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.