Home / 41,945.40-57,855.06-28,508.76

Finding the Fourth Proportional to 41,945.40, 57,855.06 and 28,508.76

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Solution

The fourth proportional to 41,945.40, 57,855.06 and 28,508.76 is: 39,321.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,945.40 : 57,855.06 = 28,508.76 : x
  2. Step 2: Convert to fraction form
    41,945.40/57,855.06 = 28,508.76/x
  3. Step 3: Cross multiply
    41,945.40x = 57,855.06 × 28,508.76
  4. Step 4: Simplify right side
    41,945.40x = 1,649,376,020.33
  5. Step 5: Solve for x
    x = 1,649,376,020.33/41,945.40
  6. Step 6: Final answer
    x = 39,321.98

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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.