Home / 40,020.39-55,226.66-22,115.03

Finding the Fourth Proportional to 40,020.39, 55,226.66 and 22,115.03

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Solution

The fourth proportional to 40,020.39, 55,226.66 and 22,115.03 is: 30,517.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,020.39 : 55,226.66 = 22,115.03 : x
  2. Step 2: Convert to fraction form
    40,020.39/55,226.66 = 22,115.03/x
  3. Step 3: Cross multiply
    40,020.39x = 55,226.66 × 22,115.03
  4. Step 4: Simplify right side
    40,020.39x = 1,221,338,855.99
  5. Step 5: Solve for x
    x = 1,221,338,855.99/40,020.39
  6. Step 6: Final answer
    x = 30,517.91

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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.