Home / 29,988.20-44,982.30-9,211.70

Finding the Fourth Proportional to 29,988.20, 44,982.30 and 9,211.70

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Solution

The fourth proportional to 29,988.20, 44,982.30 and 9,211.70 is: 13,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,988.20 : 44,982.30 = 9,211.70 : x
  2. Step 2: Convert to fraction form
    29,988.20/44,982.30 = 9,211.70/x
  3. Step 3: Cross multiply
    29,988.20x = 44,982.30 × 9,211.70
  4. Step 4: Simplify right side
    29,988.20x = 414,363,452.91
  5. Step 5: Solve for x
    x = 414,363,452.91/29,988.20
  6. Step 6: Final answer
    x = 13,817.55

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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.