Home / 20,152.62-30,228.89-5,361.54

Finding the Fourth Proportional to 20,152.62, 30,228.89 and 5,361.54

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Solution

The fourth proportional to 20,152.62, 30,228.89 and 5,361.54 is: 8,042.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.62 : 30,228.89 = 5,361.54 : x
  2. Step 2: Convert to fraction form
    20,152.62/30,228.89 = 5,361.54/x
  3. Step 3: Cross multiply
    20,152.62x = 30,228.89 × 5,361.54
  4. Step 4: Simplify right side
    20,152.62x = 162,073,251.75
  5. Step 5: Solve for x
    x = 162,073,251.75/20,152.62
  6. Step 6: Final answer
    x = 8,042.29

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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.