Home / 38,063.28-57,103.56-20,532.72

Finding the Fourth Proportional to 38,063.28, 57,103.56 and 20,532.72

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Solution

The fourth proportional to 38,063.28, 57,103.56 and 20,532.72 is: 30,803.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,063.28 : 57,103.56 = 20,532.72 : x
  2. Step 2: Convert to fraction form
    38,063.28/57,103.56 = 20,532.72/x
  3. Step 3: Cross multiply
    38,063.28x = 57,103.56 × 20,532.72
  4. Step 4: Simplify right side
    38,063.28x = 1,172,491,408.48
  5. Step 5: Solve for x
    x = 1,172,491,408.48/38,063.28
  6. Step 6: Final answer
    x = 30,803.74

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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.