Home / 36,020.87-49,704.22-20,105.99

Finding the Fourth Proportional to 36,020.87, 49,704.22 and 20,105.99

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Solution

The fourth proportional to 36,020.87, 49,704.22 and 20,105.99 is: 27,743.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,020.87 : 49,704.22 = 20,105.99 : x
  2. Step 2: Convert to fraction form
    36,020.87/49,704.22 = 20,105.99/x
  3. Step 3: Cross multiply
    36,020.87x = 49,704.22 × 20,105.99
  4. Step 4: Simplify right side
    36,020.87x = 999,352,550.28
  5. Step 5: Solve for x
    x = 999,352,550.28/36,020.87
  6. Step 6: Final answer
    x = 27,743.71

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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.