Home / 41,621.78-57,438.16-22,758.96

Finding the Fourth Proportional to 41,621.78, 57,438.16 and 22,758.96

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Solution

The fourth proportional to 41,621.78, 57,438.16 and 22,758.96 is: 31,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,621.78 : 57,438.16 = 22,758.96 : x
  2. Step 2: Convert to fraction form
    41,621.78/57,438.16 = 22,758.96/x
  3. Step 3: Cross multiply
    41,621.78x = 57,438.16 × 22,758.96
  4. Step 4: Simplify right side
    41,621.78x = 1,307,232,785.91
  5. Step 5: Solve for x
    x = 1,307,232,785.91/41,621.78
  6. Step 6: Final answer
    x = 31,407.42

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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.