Home / 20,015.56-30,023.36-5,224.48

Finding the Fourth Proportional to 20,015.56, 30,023.36 and 5,224.48

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Solution

The fourth proportional to 20,015.56, 30,023.36 and 5,224.48 is: 7,836.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.56 : 30,023.36 = 5,224.48 : x
  2. Step 2: Convert to fraction form
    20,015.56/30,023.36 = 5,224.48/x
  3. Step 3: Cross multiply
    20,015.56x = 30,023.36 × 5,224.48
  4. Step 4: Simplify right side
    20,015.56x = 156,856,443.85
  5. Step 5: Solve for x
    x = 156,856,443.85/20,015.56
  6. Step 6: Final answer
    x = 7,836.73

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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.