Home / 39,185.90-54,082.65-22,191.02

Finding the Fourth Proportional to 39,185.90, 54,082.65 and 22,191.02

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Solution

The fourth proportional to 39,185.90, 54,082.65 and 22,191.02 is: 30,627.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,185.90 : 54,082.65 = 22,191.02 : x
  2. Step 2: Convert to fraction form
    39,185.90/54,082.65 = 22,191.02/x
  3. Step 3: Cross multiply
    39,185.90x = 54,082.65 × 22,191.02
  4. Step 4: Simplify right side
    39,185.90x = 1,200,149,167.80
  5. Step 5: Solve for x
    x = 1,200,149,167.80/39,185.90
  6. Step 6: Final answer
    x = 30,627.07

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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.