Home / 33,255.49-45,891.03-18,148.78

Finding the Fourth Proportional to 33,255.49, 45,891.03 and 18,148.78

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Solution

The fourth proportional to 33,255.49, 45,891.03 and 18,148.78 is: 25,044.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,255.49 : 45,891.03 = 18,148.78 : x
  2. Step 2: Convert to fraction form
    33,255.49/45,891.03 = 18,148.78/x
  3. Step 3: Cross multiply
    33,255.49x = 45,891.03 × 18,148.78
  4. Step 4: Simplify right side
    33,255.49x = 832,866,207.44
  5. Step 5: Solve for x
    x = 832,866,207.44/33,255.49
  6. Step 6: Final answer
    x = 25,044.47

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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.