Home / 41,650.72-57,478-22,787.76

Finding the Fourth Proportional to 41,650.72, 57,478 and 22,787.76

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Solution

The fourth proportional to 41,650.72, 57,478 and 22,787.76 is: 31,447.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,650.72 : 57,478 = 22,787.76 : x
  2. Step 2: Convert to fraction form
    41,650.72/57,478 = 22,787.76/x
  3. Step 3: Cross multiply
    41,650.72x = 57,478 × 22,787.76
  4. Step 4: Simplify right side
    41,650.72x = 1,309,794,869.28
  5. Step 5: Solve for x
    x = 1,309,794,869.28/41,650.72
  6. Step 6: Final answer
    x = 31,447.11

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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.