Home / 40,226.12-55,512.42-22,322.78

Finding the Fourth Proportional to 40,226.12, 55,512.42 and 22,322.78

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Solution

The fourth proportional to 40,226.12, 55,512.42 and 22,322.78 is: 30,805.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,226.12 : 55,512.42 = 22,322.78 : x
  2. Step 2: Convert to fraction form
    40,226.12/55,512.42 = 22,322.78/x
  3. Step 3: Cross multiply
    40,226.12x = 55,512.42 × 22,322.78
  4. Step 4: Simplify right side
    40,226.12x = 1,239,191,677.71
  5. Step 5: Solve for x
    x = 1,239,191,677.71/40,226.12
  6. Step 6: Final answer
    x = 30,805.65

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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.