Home / 41,428.20-57,170.89-22,565.33

Finding the Fourth Proportional to 41,428.20, 57,170.89 and 22,565.33

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Solution

The fourth proportional to 41,428.20, 57,170.89 and 22,565.33 is: 31,140.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,428.20 : 57,170.89 = 22,565.33 : x
  2. Step 2: Convert to fraction form
    41,428.20/57,170.89 = 22,565.33/x
  3. Step 3: Cross multiply
    41,428.20x = 57,170.89 × 22,565.33
  4. Step 4: Simplify right side
    41,428.20x = 1,290,079,999.24
  5. Step 5: Solve for x
    x = 1,290,079,999.24/41,428.20
  6. Step 6: Final answer
    x = 31,140.14

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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.