Home / 20,200.38-30,305.42-6,349.38

Finding the Fourth Proportional to 20,200.38, 30,305.42 and 6,349.38

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Solution

The fourth proportional to 20,200.38, 30,305.42 and 6,349.38 is: 9,525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200.38 : 30,305.42 = 6,349.38 : x
  2. Step 2: Convert to fraction form
    20,200.38/30,305.42 = 6,349.38/x
  3. Step 3: Cross multiply
    20,200.38x = 30,305.42 × 6,349.38
  4. Step 4: Simplify right side
    20,200.38x = 192,420,627.64
  5. Step 5: Solve for x
    x = 192,420,627.64/20,200.38
  6. Step 6: Final answer
    x = 9,525.59

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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.