Home / 33,213.28-49,704.96-20,557.76

Finding the Fourth Proportional to 33,213.28, 49,704.96 and 20,557.76

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Solution

The fourth proportional to 33,213.28, 49,704.96 and 20,557.76 is: 30,765.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,213.28 : 49,704.96 = 20,557.76 : x
  2. Step 2: Convert to fraction form
    33,213.28/49,704.96 = 20,557.76/x
  3. Step 3: Cross multiply
    33,213.28x = 49,704.96 × 20,557.76
  4. Step 4: Simplify right side
    33,213.28x = 1,021,822,638.49
  5. Step 5: Solve for x
    x = 1,021,822,638.49/33,213.28
  6. Step 6: Final answer
    x = 30,765.48

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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.