Home / 38,486.50-57,731.94-10,786.66

Finding the Fourth Proportional to 38,486.50, 57,731.94 and 10,786.66

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Solution

The fourth proportional to 38,486.50, 57,731.94 and 10,786.66 is: 16,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,486.50 : 57,731.94 = 10,786.66 : x
  2. Step 2: Convert to fraction form
    38,486.50/57,731.94 = 10,786.66/x
  3. Step 3: Cross multiply
    38,486.50x = 57,731.94 × 10,786.66
  4. Step 4: Simplify right side
    38,486.50x = 622,734,807.92
  5. Step 5: Solve for x
    x = 622,734,807.92/38,486.50
  6. Step 6: Final answer
    x = 16,180.60

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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.