Home / 39,192.53-54,092.57-22,197.69

Finding the Fourth Proportional to 39,192.53, 54,092.57 and 22,197.69

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Solution

The fourth proportional to 39,192.53, 54,092.57 and 22,197.69 is: 30,636.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,192.53 : 54,092.57 = 22,197.69 : x
  2. Step 2: Convert to fraction form
    39,192.53/54,092.57 = 22,197.69/x
  3. Step 3: Cross multiply
    39,192.53x = 54,092.57 × 22,197.69
  4. Step 4: Simplify right side
    39,192.53x = 1,200,729,989.17
  5. Step 5: Solve for x
    x = 1,200,729,989.17/39,192.53
  6. Step 6: Final answer
    x = 30,636.71

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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.