Home / 38,111.48-57,183.62-18,404.79

Finding the Fourth Proportional to 38,111.48, 57,183.62 and 18,404.79

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Solution

The fourth proportional to 38,111.48, 57,183.62 and 18,404.79 is: 27,615.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,111.48 : 57,183.62 = 18,404.79 : x
  2. Step 2: Convert to fraction form
    38,111.48/57,183.62 = 18,404.79/x
  3. Step 3: Cross multiply
    38,111.48x = 57,183.62 × 18,404.79
  4. Step 4: Simplify right side
    38,111.48x = 1,052,452,425.52
  5. Step 5: Solve for x
    x = 1,052,452,425.52/38,111.48
  6. Step 6: Final answer
    x = 27,615.11

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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.