Home / 38,144.78-57,217.56-10,442.78

Finding the Fourth Proportional to 38,144.78, 57,217.56 and 10,442.78

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Solution

The fourth proportional to 38,144.78, 57,217.56 and 10,442.78 is: 15,664.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,144.78 : 57,217.56 = 10,442.78 : x
  2. Step 2: Convert to fraction form
    38,144.78/57,217.56 = 10,442.78/x
  3. Step 3: Cross multiply
    38,144.78x = 57,217.56 × 10,442.78
  4. Step 4: Simplify right side
    38,144.78x = 597,510,391.22
  5. Step 5: Solve for x
    x = 597,510,391.22/38,144.78
  6. Step 6: Final answer
    x = 15,664.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.