Home / 33,072.49-49,556.89-28,121.77

Finding the Fourth Proportional to 33,072.49, 49,556.89 and 28,121.77

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Solution

The fourth proportional to 33,072.49, 49,556.89 and 28,121.77 is: 42,138.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,072.49 : 49,556.89 = 28,121.77 : x
  2. Step 2: Convert to fraction form
    33,072.49/49,556.89 = 28,121.77/x
  3. Step 3: Cross multiply
    33,072.49x = 49,556.89 × 28,121.77
  4. Step 4: Simplify right side
    33,072.49x = 1,393,627,462.50
  5. Step 5: Solve for x
    x = 1,393,627,462.50/33,072.49
  6. Step 6: Final answer
    x = 42,138.57

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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.