Home / 33,161.00-45,749.63-21,222.41

Finding the Fourth Proportional to 33,161.00, 45,749.63 and 21,222.41

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Solution

The fourth proportional to 33,161.00, 45,749.63 and 21,222.41 is: 29,278.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,161.00 : 45,749.63 = 21,222.41 : x
  2. Step 2: Convert to fraction form
    33,161.00/45,749.63 = 21,222.41/x
  3. Step 3: Cross multiply
    33,161.00x = 45,749.63 × 21,222.41
  4. Step 4: Simplify right side
    33,161.00x = 970,917,229.52
  5. Step 5: Solve for x
    x = 970,917,229.52/33,161.00
  6. Step 6: Final answer
    x = 29,278.89

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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.