Home / 39,191.11-54,082.96-22,195.08

Finding the Fourth Proportional to 39,191.11, 54,082.96 and 22,195.08

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Solution

The fourth proportional to 39,191.11, 54,082.96 and 22,195.08 is: 30,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,191.11 : 54,082.96 = 22,195.08 : x
  2. Step 2: Convert to fraction form
    39,191.11/54,082.96 = 22,195.08/x
  3. Step 3: Cross multiply
    39,191.11x = 54,082.96 × 22,195.08
  4. Step 4: Simplify right side
    39,191.11x = 1,200,375,568.35
  5. Step 5: Solve for x
    x = 1,200,375,568.35/39,191.11
  6. Step 6: Final answer
    x = 30,628.77

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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.