Home / 36,456.28-50,306.07-20,543.56

Finding the Fourth Proportional to 36,456.28, 50,306.07 and 20,543.56

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Solution

The fourth proportional to 36,456.28, 50,306.07 and 20,543.56 is: 28,348.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,456.28 : 50,306.07 = 20,543.56 : x
  2. Step 2: Convert to fraction form
    36,456.28/50,306.07 = 20,543.56/x
  3. Step 3: Cross multiply
    36,456.28x = 50,306.07 × 20,543.56
  4. Step 4: Simplify right side
    36,456.28x = 1,033,465,767.41
  5. Step 5: Solve for x
    x = 1,033,465,767.41/36,456.28
  6. Step 6: Final answer
    x = 28,348.09

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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.