Home / 38,388.35-57,562.47-12,086.03

Finding the Fourth Proportional to 38,388.35, 57,562.47 and 12,086.03

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Solution

The fourth proportional to 38,388.35, 57,562.47 and 12,086.03 is: 18,122.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,388.35 : 57,562.47 = 12,086.03 : x
  2. Step 2: Convert to fraction form
    38,388.35/57,562.47 = 12,086.03/x
  3. Step 3: Cross multiply
    38,388.35x = 57,562.47 × 12,086.03
  4. Step 4: Simplify right side
    38,388.35x = 695,701,883.20
  5. Step 5: Solve for x
    x = 695,701,883.20/38,388.35
  6. Step 6: Final answer
    x = 18,122.73

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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.