Home / 38,644.32-57,944.25-20,610.30

Finding the Fourth Proportional to 38,644.32, 57,944.25 and 20,610.30

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Solution

The fourth proportional to 38,644.32, 57,944.25 and 20,610.30 is: 30,903.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,644.32 : 57,944.25 = 20,610.30 : x
  2. Step 2: Convert to fraction form
    38,644.32/57,944.25 = 20,610.30/x
  3. Step 3: Cross multiply
    38,644.32x = 57,944.25 × 20,610.30
  4. Step 4: Simplify right side
    38,644.32x = 1,194,248,375.78
  5. Step 5: Solve for x
    x = 1,194,248,375.78/38,644.32
  6. Step 6: Final answer
    x = 30,903.59

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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.