Home / 20,034.53-30,040.70-8,196.62

Finding the Fourth Proportional to 20,034.53, 30,040.70 and 8,196.62

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Solution

The fourth proportional to 20,034.53, 30,040.70 and 8,196.62 is: 12,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.53 : 30,040.70 = 8,196.62 : x
  2. Step 2: Convert to fraction form
    20,034.53/30,040.70 = 8,196.62/x
  3. Step 3: Cross multiply
    20,034.53x = 30,040.70 × 8,196.62
  4. Step 4: Simplify right side
    20,034.53x = 246,232,011.25
  5. Step 5: Solve for x
    x = 246,232,011.25/20,034.53
  6. Step 6: Final answer
    x = 12,290.38

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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.