Home / 20,179.22-30,241.07-10,297.71

Finding the Fourth Proportional to 20,179.22, 30,241.07 and 10,297.71

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Solution

The fourth proportional to 20,179.22, 30,241.07 and 10,297.71 is: 15,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.22 : 30,241.07 = 10,297.71 : x
  2. Step 2: Convert to fraction form
    20,179.22/30,241.07 = 10,297.71/x
  3. Step 3: Cross multiply
    20,179.22x = 30,241.07 × 10,297.71
  4. Step 4: Simplify right side
    20,179.22x = 311,413,717.46
  5. Step 5: Solve for x
    x = 311,413,717.46/20,179.22
  6. Step 6: Final answer
    x = 15,432.40

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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.