Home / 33,341-49,986.82-20,190.28

Finding the Fourth Proportional to 33,341, 49,986.82 and 20,190.28

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Solution

The fourth proportional to 33,341, 49,986.82 and 20,190.28 is: 30,270.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,341 : 49,986.82 = 20,190.28 : x
  2. Step 2: Convert to fraction form
    33,341/49,986.82 = 20,190.28/x
  3. Step 3: Cross multiply
    33,341x = 49,986.82 × 20,190.28
  4. Step 4: Simplify right side
    33,341x = 1,009,247,892.11
  5. Step 5: Solve for x
    x = 1,009,247,892.11/33,341
  6. Step 6: Final answer
    x = 30,270.47

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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.