Home / 40,037.70-55,249.66-22,131.64

Finding the Fourth Proportional to 40,037.70, 55,249.66 and 22,131.64

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Solution

The fourth proportional to 40,037.70, 55,249.66 and 22,131.64 is: 30,540.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,037.70 : 55,249.66 = 22,131.64 : x
  2. Step 2: Convert to fraction form
    40,037.70/55,249.66 = 22,131.64/x
  3. Step 3: Cross multiply
    40,037.70x = 55,249.66 × 22,131.64
  4. Step 4: Simplify right side
    40,037.70x = 1,222,765,681.97
  5. Step 5: Solve for x
    x = 1,222,765,681.97/40,037.70
  6. Step 6: Final answer
    x = 30,540.35

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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.