Home / 35,318.76-48,744.22-20,414.76

Finding the Fourth Proportional to 35,318.76, 48,744.22 and 20,414.76

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Solution

The fourth proportional to 35,318.76, 48,744.22 and 20,414.76 is: 28,174.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,318.76 : 48,744.22 = 20,414.76 : x
  2. Step 2: Convert to fraction form
    35,318.76/48,744.22 = 20,414.76/x
  3. Step 3: Cross multiply
    35,318.76x = 48,744.22 × 20,414.76
  4. Step 4: Simplify right side
    35,318.76x = 995,101,552.69
  5. Step 5: Solve for x
    x = 995,101,552.69/35,318.76
  6. Step 6: Final answer
    x = 28,174.87

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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.