Home / 34,872.35-52,306.61-20,454.66

Finding the Fourth Proportional to 34,872.35, 52,306.61 and 20,454.66

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Solution

The fourth proportional to 34,872.35, 52,306.61 and 20,454.66 is: 30,680.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,872.35 : 52,306.61 = 20,454.66 : x
  2. Step 2: Convert to fraction form
    34,872.35/52,306.61 = 20,454.66/x
  3. Step 3: Cross multiply
    34,872.35x = 52,306.61 × 20,454.66
  4. Step 4: Simplify right side
    34,872.35x = 1,069,913,821.03
  5. Step 5: Solve for x
    x = 1,069,913,821.03/34,872.35
  6. Step 6: Final answer
    x = 30,680.87

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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.