Home / 38,769.76-58,163.91-12,474.43

Finding the Fourth Proportional to 38,769.76, 58,163.91 and 12,474.43

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Solution

The fourth proportional to 38,769.76, 58,163.91 and 12,474.43 is: 18,714.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,769.76 : 58,163.91 = 12,474.43 : x
  2. Step 2: Convert to fraction form
    38,769.76/58,163.91 = 12,474.43/x
  3. Step 3: Cross multiply
    38,769.76x = 58,163.91 × 12,474.43
  4. Step 4: Simplify right side
    38,769.76x = 725,561,431.63
  5. Step 5: Solve for x
    x = 725,561,431.63/38,769.76
  6. Step 6: Final answer
    x = 18,714.62

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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.