Home / 20,542.49-30,814.51-5,751.03

Finding the Fourth Proportional to 20,542.49, 30,814.51 and 5,751.03

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Solution

The fourth proportional to 20,542.49, 30,814.51 and 5,751.03 is: 8,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542.49 : 30,814.51 = 5,751.03 : x
  2. Step 2: Convert to fraction form
    20,542.49/30,814.51 = 5,751.03/x
  3. Step 3: Cross multiply
    20,542.49x = 30,814.51 × 5,751.03
  4. Step 4: Simplify right side
    20,542.49x = 177,215,171.45
  5. Step 5: Solve for x
    x = 177,215,171.45/20,542.49
  6. Step 6: Final answer
    x = 8,626.76

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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.