Home / 40,036.65-55,249.97-22,131.26

Finding the Fourth Proportional to 40,036.65, 55,249.97 and 22,131.26

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Solution

The fourth proportional to 40,036.65, 55,249.97 and 22,131.26 is: 30,540.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,036.65 : 55,249.97 = 22,131.26 : x
  2. Step 2: Convert to fraction form
    40,036.65/55,249.97 = 22,131.26/x
  3. Step 3: Cross multiply
    40,036.65x = 55,249.97 × 22,131.26
  4. Step 4: Simplify right side
    40,036.65x = 1,222,751,064.16
  5. Step 5: Solve for x
    x = 1,222,751,064.16/40,036.65
  6. Step 6: Final answer
    x = 30,540.79

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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.