Home / 38,621.21-57,928.94-11,967.41

Finding the Fourth Proportional to 38,621.21, 57,928.94 and 11,967.41

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Solution

The fourth proportional to 38,621.21, 57,928.94 and 11,967.41 is: 17,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,621.21 : 57,928.94 = 11,967.41 : x
  2. Step 2: Convert to fraction form
    38,621.21/57,928.94 = 11,967.41/x
  3. Step 3: Cross multiply
    38,621.21x = 57,928.94 × 11,967.41
  4. Step 4: Simplify right side
    38,621.21x = 693,259,375.85
  5. Step 5: Solve for x
    x = 693,259,375.85/38,621.21
  6. Step 6: Final answer
    x = 17,950.22

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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.