Home / 33,138.09-49,688.30-22,620.85

Finding the Fourth Proportional to 33,138.09, 49,688.30 and 22,620.85

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Solution

The fourth proportional to 33,138.09, 49,688.30 and 22,620.85 is: 33,918.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,138.09 : 49,688.30 = 22,620.85 : x
  2. Step 2: Convert to fraction form
    33,138.09/49,688.30 = 22,620.85/x
  3. Step 3: Cross multiply
    33,138.09x = 49,688.30 × 22,620.85
  4. Step 4: Simplify right side
    33,138.09x = 1,123,991,332.61
  5. Step 5: Solve for x
    x = 1,123,991,332.61/33,138.09
  6. Step 6: Final answer
    x = 33,918.42

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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.