Home / 33,021.27-49,531.50-15,478.70

Finding the Fourth Proportional to 33,021.27, 49,531.50 and 15,478.70

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Solution

The fourth proportional to 33,021.27, 49,531.50 and 15,478.70 is: 23,217.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,021.27 : 49,531.50 = 15,478.70 : x
  2. Step 2: Convert to fraction form
    33,021.27/49,531.50 = 15,478.70/x
  3. Step 3: Cross multiply
    33,021.27x = 49,531.50 × 15,478.70
  4. Step 4: Simplify right side
    33,021.27x = 766,682,981.39
  5. Step 5: Solve for x
    x = 766,682,981.39/33,021.27
  6. Step 6: Final answer
    x = 23,217.85

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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.