Home / 33,491.07-50,236.61-13,755.78

Finding the Fourth Proportional to 33,491.07, 50,236.61 and 13,755.78

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Solution

The fourth proportional to 33,491.07, 50,236.61 and 13,755.78 is: 20,633.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,491.07 : 50,236.61 = 13,755.78 : x
  2. Step 2: Convert to fraction form
    33,491.07/50,236.61 = 13,755.78/x
  3. Step 3: Cross multiply
    33,491.07x = 50,236.61 × 13,755.78
  4. Step 4: Simplify right side
    33,491.07x = 691,043,686.33
  5. Step 5: Solve for x
    x = 691,043,686.33/33,491.07
  6. Step 6: Final answer
    x = 20,633.67

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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.