Home / 33,140.92-45,719.37-19,704.54

Finding the Fourth Proportional to 33,140.92, 45,719.37 and 19,704.54

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Solution

The fourth proportional to 33,140.92, 45,719.37 and 19,704.54 is: 27,183.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.92 : 45,719.37 = 19,704.54 : x
  2. Step 2: Convert to fraction form
    33,140.92/45,719.37 = 19,704.54/x
  3. Step 3: Cross multiply
    33,140.92x = 45,719.37 × 19,704.54
  4. Step 4: Simplify right side
    33,140.92x = 900,879,154.94
  5. Step 5: Solve for x
    x = 900,879,154.94/33,140.92
  6. Step 6: Final answer
    x = 27,183.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.