Home / 39,217.59-54,115.97-22,220.55

Finding the Fourth Proportional to 39,217.59, 54,115.97 and 22,220.55

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Solution

The fourth proportional to 39,217.59, 54,115.97 and 22,220.55 is: 30,661.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,217.59 : 54,115.97 = 22,220.55 : x
  2. Step 2: Convert to fraction form
    39,217.59/54,115.97 = 22,220.55/x
  3. Step 3: Cross multiply
    39,217.59x = 54,115.97 × 22,220.55
  4. Step 4: Simplify right side
    39,217.59x = 1,202,486,506.08
  5. Step 5: Solve for x
    x = 1,202,486,506.08/39,217.59
  6. Step 6: Final answer
    x = 30,661.92

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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.