Home / 38,306.04-57,459.78-12,010.20

Finding the Fourth Proportional to 38,306.04, 57,459.78 and 12,010.20

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Solution

The fourth proportional to 38,306.04, 57,459.78 and 12,010.20 is: 18,015.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,306.04 : 57,459.78 = 12,010.20 : x
  2. Step 2: Convert to fraction form
    38,306.04/57,459.78 = 12,010.20/x
  3. Step 3: Cross multiply
    38,306.04x = 57,459.78 × 12,010.20
  4. Step 4: Simplify right side
    38,306.04x = 690,103,449.76
  5. Step 5: Solve for x
    x = 690,103,449.76/38,306.04
  6. Step 6: Final answer
    x = 18,015.53

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1.5x scale

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.