Home / 33,159.52-45,759.99-18,819.49

Finding the Fourth Proportional to 33,159.52, 45,759.99 and 18,819.49

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Solution

The fourth proportional to 33,159.52, 45,759.99 and 18,819.49 is: 25,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,159.52 : 45,759.99 = 18,819.49 : x
  2. Step 2: Convert to fraction form
    33,159.52/45,759.99 = 18,819.49/x
  3. Step 3: Cross multiply
    33,159.52x = 45,759.99 × 18,819.49
  4. Step 4: Simplify right side
    33,159.52x = 861,179,674.21
  5. Step 5: Solve for x
    x = 861,179,674.21/33,159.52
  6. Step 6: Final answer
    x = 25,970.81

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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.