Home / 40,115.66-55,357.97-22,209.59

Finding the Fourth Proportional to 40,115.66, 55,357.97 and 22,209.59

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Solution

The fourth proportional to 40,115.66, 55,357.97 and 22,209.59 is: 30,648.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,115.66 : 55,357.97 = 22,209.59 : x
  2. Step 2: Convert to fraction form
    40,115.66/55,357.97 = 22,209.59/x
  3. Step 3: Cross multiply
    40,115.66x = 55,357.97 × 22,209.59
  4. Step 4: Simplify right side
    40,115.66x = 1,229,477,844.28
  5. Step 5: Solve for x
    x = 1,229,477,844.28/40,115.66
  6. Step 6: Final answer
    x = 30,648.33

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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.