Home / 41,688.92-57,581.20-30,340.42

Finding the Fourth Proportional to 41,688.92, 57,581.20 and 30,340.42

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Solution

The fourth proportional to 41,688.92, 57,581.20 and 30,340.42 is: 41,906.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,688.92 : 57,581.20 = 30,340.42 : x
  2. Step 2: Convert to fraction form
    41,688.92/57,581.20 = 30,340.42/x
  3. Step 3: Cross multiply
    41,688.92x = 57,581.20 × 30,340.42
  4. Step 4: Simplify right side
    41,688.92x = 1,747,037,792.10
  5. Step 5: Solve for x
    x = 1,747,037,792.10/41,688.92
  6. Step 6: Final answer
    x = 41,906.53

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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.