Home / 38,321.82-57,482.63-12,028.53

Finding the Fourth Proportional to 38,321.82, 57,482.63 and 12,028.53

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Solution

The fourth proportional to 38,321.82, 57,482.63 and 12,028.53 is: 18,042.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,321.82 : 57,482.63 = 12,028.53 : x
  2. Step 2: Convert to fraction form
    38,321.82/57,482.63 = 12,028.53/x
  3. Step 3: Cross multiply
    38,321.82x = 57,482.63 × 12,028.53
  4. Step 4: Simplify right side
    38,321.82x = 691,431,479.29
  5. Step 5: Solve for x
    x = 691,431,479.29/38,321.82
  6. Step 6: Final answer
    x = 18,042.76

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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.