Home / 20,003.25-30,006.38-5,962.21

Finding the Fourth Proportional to 20,003.25, 30,006.38 and 5,962.21

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Solution

The fourth proportional to 20,003.25, 30,006.38 and 5,962.21 is: 8,943.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.25 : 30,006.38 = 5,962.21 : x
  2. Step 2: Convert to fraction form
    20,003.25/30,006.38 = 5,962.21/x
  3. Step 3: Cross multiply
    20,003.25x = 30,006.38 × 5,962.21
  4. Step 4: Simplify right side
    20,003.25x = 178,904,278.79
  5. Step 5: Solve for x
    x = 178,904,278.79/20,003.25
  6. Step 6: Final answer
    x = 8,943.76

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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.