Home / 54,452.16-81,503.20-28,120.96

Finding the Fourth Proportional to 54,452.16, 81,503.20 and 28,120.96

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Solution

The fourth proportional to 54,452.16, 81,503.20 and 28,120.96 is: 42,091.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,452.16 : 81,503.20 = 28,120.96 : x
  2. Step 2: Convert to fraction form
    54,452.16/81,503.20 = 28,120.96/x
  3. Step 3: Cross multiply
    54,452.16x = 81,503.20 × 28,120.96
  4. Step 4: Simplify right side
    54,452.16x = 2,291,948,227.07
  5. Step 5: Solve for x
    x = 2,291,948,227.07/54,452.16
  6. Step 6: Final answer
    x = 42,091.04

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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.