Home / 38,306.99-57,460.49-12,013.85

Finding the Fourth Proportional to 38,306.99, 57,460.49 and 12,013.85

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Solution

The fourth proportional to 38,306.99, 57,460.49 and 12,013.85 is: 18,020.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,306.99 : 57,460.49 = 12,013.85 : x
  2. Step 2: Convert to fraction form
    38,306.99/57,460.49 = 12,013.85/x
  3. Step 3: Cross multiply
    38,306.99x = 57,460.49 × 12,013.85
  4. Step 4: Simplify right side
    38,306.99x = 690,321,707.79
  5. Step 5: Solve for x
    x = 690,321,707.79/38,306.99
  6. Step 6: Final answer
    x = 18,020.78

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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.