Home / 33,150.78-45,736.53-18,808.92

Finding the Fourth Proportional to 33,150.78, 45,736.53 and 18,808.92

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Solution

The fourth proportional to 33,150.78, 45,736.53 and 18,808.92 is: 25,949.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,150.78 : 45,736.53 = 18,808.92 : x
  2. Step 2: Convert to fraction form
    33,150.78/45,736.53 = 18,808.92/x
  3. Step 3: Cross multiply
    33,150.78x = 45,736.53 × 18,808.92
  4. Step 4: Simplify right side
    33,150.78x = 860,254,733.85
  5. Step 5: Solve for x
    x = 860,254,733.85/33,150.78
  6. Step 6: Final answer
    x = 25,949.76

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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.