Home / 20,519.93-30,757.33-8,037.62

Finding the Fourth Proportional to 20,519.93, 30,757.33 and 8,037.62

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Solution

The fourth proportional to 20,519.93, 30,757.33 and 8,037.62 is: 12,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,519.93 : 30,757.33 = 8,037.62 : x
  2. Step 2: Convert to fraction form
    20,519.93/30,757.33 = 8,037.62/x
  3. Step 3: Cross multiply
    20,519.93x = 30,757.33 × 8,037.62
  4. Step 4: Simplify right side
    20,519.93x = 247,215,787.55
  5. Step 5: Solve for x
    x = 247,215,787.55/20,519.93
  6. Step 6: Final answer
    x = 12,047.60

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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.