Home / 67,052.76-100,579.40-20,306.04

Finding the Fourth Proportional to 67,052.76, 100,579.40 and 20,306.04

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Solution

The fourth proportional to 67,052.76, 100,579.40 and 20,306.04 is: 30,459.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,052.76 : 100,579.40 = 20,306.04 : x
  2. Step 2: Convert to fraction form
    67,052.76/100,579.40 = 20,306.04/x
  3. Step 3: Cross multiply
    67,052.76x = 100,579.40 × 20,306.04
  4. Step 4: Simplify right side
    67,052.76x = 2,042,369,319.58
  5. Step 5: Solve for x
    x = 2,042,369,319.58/67,052.76
  6. Step 6: Final answer
    x = 30,459.14

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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.