Home / 22,320.75-33,614.78-20,327.85

Finding the Fourth Proportional to 22,320.75, 33,614.78 and 20,327.85

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Solution

The fourth proportional to 22,320.75, 33,614.78 and 20,327.85 is: 30,613.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.75 : 33,614.78 = 20,327.85 : x
  2. Step 2: Convert to fraction form
    22,320.75/33,614.78 = 20,327.85/x
  3. Step 3: Cross multiply
    22,320.75x = 33,614.78 × 20,327.85
  4. Step 4: Simplify right side
    22,320.75x = 683,316,205.62
  5. Step 5: Solve for x
    x = 683,316,205.62/22,320.75
  6. Step 6: Final answer
    x = 30,613.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.