Home / 33,553.20-46,304.31-18,240.78

Finding the Fourth Proportional to 33,553.20, 46,304.31 and 18,240.78

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Solution

The fourth proportional to 33,553.20, 46,304.31 and 18,240.78 is: 25,172.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,553.20 : 46,304.31 = 18,240.78 : x
  2. Step 2: Convert to fraction form
    33,553.20/46,304.31 = 18,240.78/x
  3. Step 3: Cross multiply
    33,553.20x = 46,304.31 × 18,240.78
  4. Step 4: Simplify right side
    33,553.20x = 844,626,409.04
  5. Step 5: Solve for x
    x = 844,626,409.04/33,553.20
  6. Step 6: Final answer
    x = 25,172.76

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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.