Home / 38,785.72-58,170.32-17,719.76

Finding the Fourth Proportional to 38,785.72, 58,170.32 and 17,719.76

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Solution

The fourth proportional to 38,785.72, 58,170.32 and 17,719.76 is: 26,575.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,785.72 : 58,170.32 = 17,719.76 : x
  2. Step 2: Convert to fraction form
    38,785.72/58,170.32 = 17,719.76/x
  3. Step 3: Cross multiply
    38,785.72x = 58,170.32 × 17,719.76
  4. Step 4: Simplify right side
    38,785.72x = 1,030,764,109.52
  5. Step 5: Solve for x
    x = 1,030,764,109.52/38,785.72
  6. Step 6: Final answer
    x = 26,575.87

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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.