Home / 33,203.28-45,837.36-21,880.20

Finding the Fourth Proportional to 33,203.28, 45,837.36 and 21,880.20

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Solution

The fourth proportional to 33,203.28, 45,837.36 and 21,880.20 is: 30,205.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,203.28 : 45,837.36 = 21,880.20 : x
  2. Step 2: Convert to fraction form
    33,203.28/45,837.36 = 21,880.20/x
  3. Step 3: Cross multiply
    33,203.28x = 45,837.36 × 21,880.20
  4. Step 4: Simplify right side
    33,203.28x = 1,002,930,604.27
  5. Step 5: Solve for x
    x = 1,002,930,604.27/33,203.28
  6. Step 6: Final answer
    x = 30,205.77

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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.