Home / 38,743.58-58,113.30-12,446.27

Finding the Fourth Proportional to 38,743.58, 58,113.30 and 12,446.27

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Solution

The fourth proportional to 38,743.58, 58,113.30 and 12,446.27 is: 18,668.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,743.58 : 58,113.30 = 12,446.27 : x
  2. Step 2: Convert to fraction form
    38,743.58/58,113.30 = 12,446.27/x
  3. Step 3: Cross multiply
    38,743.58x = 58,113.30 × 12,446.27
  4. Step 4: Simplify right side
    38,743.58x = 723,293,531.82
  5. Step 5: Solve for x
    x = 723,293,531.82/38,743.58
  6. Step 6: Final answer
    x = 18,668.73

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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.