Home / 41,405.21-57,139.19-22,542.33

Finding the Fourth Proportional to 41,405.21, 57,139.19 and 22,542.33

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Solution

The fourth proportional to 41,405.21, 57,139.19 and 22,542.33 is: 31,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,405.21 : 57,139.19 = 22,542.33 : x
  2. Step 2: Convert to fraction form
    41,405.21/57,139.19 = 22,542.33/x
  3. Step 3: Cross multiply
    41,405.21x = 57,139.19 × 22,542.33
  4. Step 4: Simplify right side
    41,405.21x = 1,288,050,476.91
  5. Step 5: Solve for x
    x = 1,288,050,476.91/41,405.21
  6. Step 6: Final answer
    x = 31,108.42

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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.