Home / 38,260.45-57,396.61-19,530.34

Finding the Fourth Proportional to 38,260.45, 57,396.61 and 19,530.34

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Solution

The fourth proportional to 38,260.45, 57,396.61 and 19,530.34 is: 29,298.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,260.45 : 57,396.61 = 19,530.34 : x
  2. Step 2: Convert to fraction form
    38,260.45/57,396.61 = 19,530.34/x
  3. Step 3: Cross multiply
    38,260.45x = 57,396.61 × 19,530.34
  4. Step 4: Simplify right side
    38,260.45x = 1,120,975,308.15
  5. Step 5: Solve for x
    x = 1,120,975,308.15/38,260.45
  6. Step 6: Final answer
    x = 29,298.54

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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.