Home / 39,229.25-54,136.15-22,236.71

Finding the Fourth Proportional to 39,229.25, 54,136.15 and 22,236.71

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Solution

The fourth proportional to 39,229.25, 54,136.15 and 22,236.71 is: 30,686.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,229.25 : 54,136.15 = 22,236.71 : x
  2. Step 2: Convert to fraction form
    39,229.25/54,136.15 = 22,236.71/x
  3. Step 3: Cross multiply
    39,229.25x = 54,136.15 × 22,236.71
  4. Step 4: Simplify right side
    39,229.25x = 1,203,809,541.79
  5. Step 5: Solve for x
    x = 1,203,809,541.79/39,229.25
  6. Step 6: Final answer
    x = 30,686.53

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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.