Home / 38,546.74-57,715.71-20,039.86

Finding the Fourth Proportional to 38,546.74, 57,715.71 and 20,039.86

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Solution

The fourth proportional to 38,546.74, 57,715.71 and 20,039.86 is: 30,005.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,546.74 : 57,715.71 = 20,039.86 : x
  2. Step 2: Convert to fraction form
    38,546.74/57,715.71 = 20,039.86/x
  3. Step 3: Cross multiply
    38,546.74x = 57,715.71 × 20,039.86
  4. Step 4: Simplify right side
    38,546.74x = 1,156,614,748.20
  5. Step 5: Solve for x
    x = 1,156,614,748.20/38,546.74
  6. Step 6: Final answer
    x = 30,005.51

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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.