Home / 41,689.17-57,581.55-30,340.67

Finding the Fourth Proportional to 41,689.17, 57,581.55 and 30,340.67

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Solution

The fourth proportional to 41,689.17, 57,581.55 and 30,340.67 is: 41,906.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,689.17 : 57,581.55 = 30,340.67 : x
  2. Step 2: Convert to fraction form
    41,689.17/57,581.55 = 30,340.67/x
  3. Step 3: Cross multiply
    41,689.17x = 57,581.55 × 30,340.67
  4. Step 4: Simplify right side
    41,689.17x = 1,747,062,518.73
  5. Step 5: Solve for x
    x = 1,747,062,518.73/41,689.17
  6. Step 6: Final answer
    x = 41,906.87

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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.