Home / 20,104.22-30,161.37-17,581.88

Finding the Fourth Proportional to 20,104.22, 30,161.37 and 17,581.88

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Solution

The fourth proportional to 20,104.22, 30,161.37 and 17,581.88 is: 26,377.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.22 : 30,161.37 = 17,581.88 : x
  2. Step 2: Convert to fraction form
    20,104.22/30,161.37 = 17,581.88/x
  3. Step 3: Cross multiply
    20,104.22x = 30,161.37 × 17,581.88
  4. Step 4: Simplify right side
    20,104.22x = 530,293,587.98
  5. Step 5: Solve for x
    x = 530,293,587.98/20,104.22
  6. Step 6: Final answer
    x = 26,377.23

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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.