Home / 40,183.12-55,452.45-22,278.13

Finding the Fourth Proportional to 40,183.12, 55,452.45 and 22,278.13

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Solution

The fourth proportional to 40,183.12, 55,452.45 and 22,278.13 is: 30,743.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,183.12 : 55,452.45 = 22,278.13 : x
  2. Step 2: Convert to fraction form
    40,183.12/55,452.45 = 22,278.13/x
  3. Step 3: Cross multiply
    40,183.12x = 55,452.45 × 22,278.13
  4. Step 4: Simplify right side
    40,183.12x = 1,235,376,889.92
  5. Step 5: Solve for x
    x = 1,235,376,889.92/40,183.12
  6. Step 6: Final answer
    x = 30,743.68

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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.