Home / 20,350.85-30,523.10-5,560.92

Finding the Fourth Proportional to 20,350.85, 30,523.10 and 5,560.92

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Solution

The fourth proportional to 20,350.85, 30,523.10 and 5,560.92 is: 8,340.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.85 : 30,523.10 = 5,560.92 : x
  2. Step 2: Convert to fraction form
    20,350.85/30,523.10 = 5,560.92/x
  3. Step 3: Cross multiply
    20,350.85x = 30,523.10 × 5,560.92
  4. Step 4: Simplify right side
    20,350.85x = 169,736,489.45
  5. Step 5: Solve for x
    x = 169,736,489.45/20,350.85
  6. Step 6: Final answer
    x = 8,340.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.