Home / 57,414.36-79,234.52-31,921.15

Finding the Fourth Proportional to 57,414.36, 79,234.52 and 31,921.15

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Solution

The fourth proportional to 57,414.36, 79,234.52 and 31,921.15 is: 44,052.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,414.36 : 79,234.52 = 31,921.15 : x
  2. Step 2: Convert to fraction form
    57,414.36/79,234.52 = 31,921.15/x
  3. Step 3: Cross multiply
    57,414.36x = 79,234.52 × 31,921.15
  4. Step 4: Simplify right side
    57,414.36x = 2,529,256,442.32
  5. Step 5: Solve for x
    x = 2,529,256,442.32/57,414.36
  6. Step 6: Final answer
    x = 44,052.68

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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.