Home / 38,467.56-57,712.06-12,171.56

Finding the Fourth Proportional to 38,467.56, 57,712.06 and 12,171.56

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Solution

The fourth proportional to 38,467.56, 57,712.06 and 12,171.56 is: 18,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,467.56 : 57,712.06 = 12,171.56 : x
  2. Step 2: Convert to fraction form
    38,467.56/57,712.06 = 12,171.56/x
  3. Step 3: Cross multiply
    38,467.56x = 57,712.06 × 12,171.56
  4. Step 4: Simplify right side
    38,467.56x = 702,445,801.01
  5. Step 5: Solve for x
    x = 702,445,801.01/38,467.56
  6. Step 6: Final answer
    x = 18,260.73

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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.