Home / 40,131.59-55,382.03-22,226.87

Finding the Fourth Proportional to 40,131.59, 55,382.03 and 22,226.87

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Solution

The fourth proportional to 40,131.59, 55,382.03 and 22,226.87 is: 30,673.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,131.59 : 55,382.03 = 22,226.87 : x
  2. Step 2: Convert to fraction form
    40,131.59/55,382.03 = 22,226.87/x
  3. Step 3: Cross multiply
    40,131.59x = 55,382.03 × 22,226.87
  4. Step 4: Simplify right side
    40,131.59x = 1,230,969,291.82
  5. Step 5: Solve for x
    x = 1,230,969,291.82/40,131.59
  6. Step 6: Final answer
    x = 30,673.33

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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.