Home / 20,022.85-30,032.22-5,229.84

Finding the Fourth Proportional to 20,022.85, 30,032.22 and 5,229.84

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Solution

The fourth proportional to 20,022.85, 30,032.22 and 5,229.84 is: 7,844.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.85 : 30,032.22 = 5,229.84 : x
  2. Step 2: Convert to fraction form
    20,022.85/30,032.22 = 5,229.84/x
  3. Step 3: Cross multiply
    20,022.85x = 30,032.22 × 5,229.84
  4. Step 4: Simplify right side
    20,022.85x = 157,063,705.44
  5. Step 5: Solve for x
    x = 157,063,705.44/20,022.85
  6. Step 6: Final answer
    x = 7,844.22

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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.