Home / 37,940.74-56,911.05-11,286.61

Finding the Fourth Proportional to 37,940.74, 56,911.05 and 11,286.61

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Solution

The fourth proportional to 37,940.74, 56,911.05 and 11,286.61 is: 16,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,940.74 : 56,911.05 = 11,286.61 : x
  2. Step 2: Convert to fraction form
    37,940.74/56,911.05 = 11,286.61/x
  3. Step 3: Cross multiply
    37,940.74x = 56,911.05 × 11,286.61
  4. Step 4: Simplify right side
    37,940.74x = 642,332,683.76
  5. Step 5: Solve for x
    x = 642,332,683.76/37,940.74
  6. Step 6: Final answer
    x = 16,929.89

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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.