Home / 54,604.20-81,906.30-15,161.70

Finding the Fourth Proportional to 54,604.20, 81,906.30 and 15,161.70

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Solution

The fourth proportional to 54,604.20, 81,906.30 and 15,161.70 is: 22,742.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,604.20 : 81,906.30 = 15,161.70 : x
  2. Step 2: Convert to fraction form
    54,604.20/81,906.30 = 15,161.70/x
  3. Step 3: Cross multiply
    54,604.20x = 81,906.30 × 15,161.70
  4. Step 4: Simplify right side
    54,604.20x = 1,241,838,748.71
  5. Step 5: Solve for x
    x = 1,241,838,748.71/54,604.20
  6. Step 6: Final answer
    x = 22,742.55

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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.