Home / 33,163.07-49,736.40-20,676.67

Finding the Fourth Proportional to 33,163.07, 49,736.40 and 20,676.67

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Solution

The fourth proportional to 33,163.07, 49,736.40 and 20,676.67 is: 31,009.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,163.07 : 49,736.40 = 20,676.67 : x
  2. Step 2: Convert to fraction form
    33,163.07/49,736.40 = 20,676.67/x
  3. Step 3: Cross multiply
    33,163.07x = 49,736.40 × 20,676.67
  4. Step 4: Simplify right side
    33,163.07x = 1,028,383,129.79
  5. Step 5: Solve for x
    x = 1,028,383,129.79/33,163.07
  6. Step 6: Final answer
    x = 31,009.89

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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.