Home / 38,670.43-57,996.19-12,369.73

Finding the Fourth Proportional to 38,670.43, 57,996.19 and 12,369.73

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Solution

The fourth proportional to 38,670.43, 57,996.19 and 12,369.73 is: 18,551.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,670.43 : 57,996.19 = 12,369.73 : x
  2. Step 2: Convert to fraction form
    38,670.43/57,996.19 = 12,369.73/x
  3. Step 3: Cross multiply
    38,670.43x = 57,996.19 × 12,369.73
  4. Step 4: Simplify right side
    38,670.43x = 717,397,211.33
  5. Step 5: Solve for x
    x = 717,397,211.33/38,670.43
  6. Step 6: Final answer
    x = 18,551.57

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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.