Home / 41,405.55-57,139.88-22,542.81

Finding the Fourth Proportional to 41,405.55, 57,139.88 and 22,542.81

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Solution

The fourth proportional to 41,405.55, 57,139.88 and 22,542.81 is: 31,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,405.55 : 57,139.88 = 22,542.81 : x
  2. Step 2: Convert to fraction form
    41,405.55/57,139.88 = 22,542.81/x
  3. Step 3: Cross multiply
    41,405.55x = 57,139.88 × 22,542.81
  4. Step 4: Simplify right side
    41,405.55x = 1,288,093,345.55
  5. Step 5: Solve for x
    x = 1,288,093,345.55/41,405.55
  6. Step 6: Final answer
    x = 31,109.20

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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.