Home / 38,143.31-57,175.22-12,824.02

Finding the Fourth Proportional to 38,143.31, 57,175.22 and 12,824.02

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Solution

The fourth proportional to 38,143.31, 57,175.22 and 12,824.02 is: 19,222.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143.31 : 57,175.22 = 12,824.02 : x
  2. Step 2: Convert to fraction form
    38,143.31/57,175.22 = 12,824.02/x
  3. Step 3: Cross multiply
    38,143.31x = 57,175.22 × 12,824.02
  4. Step 4: Simplify right side
    38,143.31x = 733,216,196.18
  5. Step 5: Solve for x
    x = 733,216,196.18/38,143.31
  6. Step 6: Final answer
    x = 19,222.67

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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.