Home / 38,179.10-57,245.64-17,115.33

Finding the Fourth Proportional to 38,179.10, 57,245.64 and 17,115.33

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Solution

The fourth proportional to 38,179.10, 57,245.64 and 17,115.33 is: 25,662.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179.10 : 57,245.64 = 17,115.33 : x
  2. Step 2: Convert to fraction form
    38,179.10/57,245.64 = 17,115.33/x
  3. Step 3: Cross multiply
    38,179.10x = 57,245.64 × 17,115.33
  4. Step 4: Simplify right side
    38,179.10x = 979,777,687.14
  5. Step 5: Solve for x
    x = 979,777,687.14/38,179.10
  6. Step 6: Final answer
    x = 25,662.67

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1.5x scale

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.