Home / 20,049.32-30,060.32-10,169.55

Finding the Fourth Proportional to 20,049.32, 30,060.32 and 10,169.55

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Solution

The fourth proportional to 20,049.32, 30,060.32 and 10,169.55 is: 15,247.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.32 : 30,060.32 = 10,169.55 : x
  2. Step 2: Convert to fraction form
    20,049.32/30,060.32 = 10,169.55/x
  3. Step 3: Cross multiply
    20,049.32x = 30,060.32 × 10,169.55
  4. Step 4: Simplify right side
    20,049.32x = 305,699,876.41
  5. Step 5: Solve for x
    x = 305,699,876.41/20,049.32
  6. Step 6: Final answer
    x = 15,247.39

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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.