Home / 33,669.28-50,448-20,481.76

Finding the Fourth Proportional to 33,669.28, 50,448 and 20,481.76

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Solution

The fourth proportional to 33,669.28, 50,448 and 20,481.76 is: 30,688.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,669.28 : 50,448 = 20,481.76 : x
  2. Step 2: Convert to fraction form
    33,669.28/50,448 = 20,481.76/x
  3. Step 3: Cross multiply
    33,669.28x = 50,448 × 20,481.76
  4. Step 4: Simplify right side
    33,669.28x = 1,033,263,828.48
  5. Step 5: Solve for x
    x = 1,033,263,828.48/33,669.28
  6. Step 6: Final answer
    x = 30,688.62

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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.