Home / 37,311.99-51,481.67-21,175.73

Finding the Fourth Proportional to 37,311.99, 51,481.67 and 21,175.73

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Solution

The fourth proportional to 37,311.99, 51,481.67 and 21,175.73 is: 29,217.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,311.99 : 51,481.67 = 21,175.73 : x
  2. Step 2: Convert to fraction form
    37,311.99/51,481.67 = 21,175.73/x
  3. Step 3: Cross multiply
    37,311.99x = 51,481.67 × 21,175.73
  4. Step 4: Simplify right side
    37,311.99x = 1,090,161,580.58
  5. Step 5: Solve for x
    x = 1,090,161,580.58/37,311.99
  6. Step 6: Final answer
    x = 29,217.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.