Home / 40,149.29-55,404.38-22,245.05

Finding the Fourth Proportional to 40,149.29, 55,404.38 and 22,245.05

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Solution

The fourth proportional to 40,149.29, 55,404.38 and 22,245.05 is: 30,697.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,149.29 : 55,404.38 = 22,245.05 : x
  2. Step 2: Convert to fraction form
    40,149.29/55,404.38 = 22,245.05/x
  3. Step 3: Cross multiply
    40,149.29x = 55,404.38 × 22,245.05
  4. Step 4: Simplify right side
    40,149.29x = 1,232,472,981.91
  5. Step 5: Solve for x
    x = 1,232,472,981.91/40,149.29
  6. Step 6: Final answer
    x = 30,697.26

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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.