Home / 38,628.22-57,844.32-32,371.78

Finding the Fourth Proportional to 38,628.22, 57,844.32 and 32,371.78

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Solution

The fourth proportional to 38,628.22, 57,844.32 and 32,371.78 is: 48,475.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,628.22 : 57,844.32 = 32,371.78 : x
  2. Step 2: Convert to fraction form
    38,628.22/57,844.32 = 32,371.78/x
  3. Step 3: Cross multiply
    38,628.22x = 57,844.32 × 32,371.78
  4. Step 4: Simplify right side
    38,628.22x = 1,872,523,601.29
  5. Step 5: Solve for x
    x = 1,872,523,601.29/38,628.22
  6. Step 6: Final answer
    x = 48,475.53

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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.