Home / 33,170.78-49,647.62-18,155.28

Finding the Fourth Proportional to 33,170.78, 49,647.62 and 18,155.28

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Solution

The fourth proportional to 33,170.78, 49,647.62 and 18,155.28 is: 27,173.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,170.78 : 49,647.62 = 18,155.28 : x
  2. Step 2: Convert to fraction form
    33,170.78/49,647.62 = 18,155.28/x
  3. Step 3: Cross multiply
    33,170.78x = 49,647.62 × 18,155.28
  4. Step 4: Simplify right side
    33,170.78x = 901,366,442.43
  5. Step 5: Solve for x
    x = 901,366,442.43/33,170.78
  6. Step 6: Final answer
    x = 27,173.51

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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.