Home / 20,132.01-30,202.17-7,649.71

Finding the Fourth Proportional to 20,132.01, 30,202.17 and 7,649.71

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Solution

The fourth proportional to 20,132.01, 30,202.17 and 7,649.71 is: 11,476.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,132.01 : 30,202.17 = 7,649.71 : x
  2. Step 2: Convert to fraction form
    20,132.01/30,202.17 = 7,649.71/x
  3. Step 3: Cross multiply
    20,132.01x = 30,202.17 × 7,649.71
  4. Step 4: Simplify right side
    20,132.01x = 231,037,737.68
  5. Step 5: Solve for x
    x = 231,037,737.68/20,132.01
  6. Step 6: Final answer
    x = 11,476.14

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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.