Home / 20,152.75-30,229.07-5,361.67

Finding the Fourth Proportional to 20,152.75, 30,229.07 and 5,361.67

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Solution

The fourth proportional to 20,152.75, 30,229.07 and 5,361.67 is: 8,042.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.75 : 30,229.07 = 5,361.67 : x
  2. Step 2: Convert to fraction form
    20,152.75/30,229.07 = 5,361.67/x
  3. Step 3: Cross multiply
    20,152.75x = 30,229.07 × 5,361.67
  4. Step 4: Simplify right side
    20,152.75x = 162,078,146.60
  5. Step 5: Solve for x
    x = 162,078,146.60/20,152.75
  6. Step 6: Final answer
    x = 8,042.48

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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.