Home / 20,043.68-30,039.50-8,183.57

Finding the Fourth Proportional to 20,043.68, 30,039.50 and 8,183.57

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Solution

The fourth proportional to 20,043.68, 30,039.50 and 8,183.57 is: 12,264.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.68 : 30,039.50 = 8,183.57 : x
  2. Step 2: Convert to fraction form
    20,043.68/30,039.50 = 8,183.57/x
  3. Step 3: Cross multiply
    20,043.68x = 30,039.50 × 8,183.57
  4. Step 4: Simplify right side
    20,043.68x = 245,830,446.57
  5. Step 5: Solve for x
    x = 245,830,446.57/20,043.68
  6. Step 6: Final answer
    x = 12,264.73

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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.