Home / 38,521.62-57,788.19-12,227.22

Finding the Fourth Proportional to 38,521.62, 57,788.19 and 12,227.22

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Solution

The fourth proportional to 38,521.62, 57,788.19 and 12,227.22 is: 18,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,521.62 : 57,788.19 = 12,227.22 : x
  2. Step 2: Convert to fraction form
    38,521.62/57,788.19 = 12,227.22/x
  3. Step 3: Cross multiply
    38,521.62x = 57,788.19 × 12,227.22
  4. Step 4: Simplify right side
    38,521.62x = 706,588,912.53
  5. Step 5: Solve for x
    x = 706,588,912.53/38,521.62
  6. Step 6: Final answer
    x = 18,342.66

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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.