Home / 33,044.80-45,625.52-20,315.05

Finding the Fourth Proportional to 33,044.80, 45,625.52 and 20,315.05

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Solution

The fourth proportional to 33,044.80, 45,625.52 and 20,315.05 is: 28,049.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,044.80 : 45,625.52 = 20,315.05 : x
  2. Step 2: Convert to fraction form
    33,044.80/45,625.52 = 20,315.05/x
  3. Step 3: Cross multiply
    33,044.80x = 45,625.52 × 20,315.05
  4. Step 4: Simplify right side
    33,044.80x = 926,884,504.44
  5. Step 5: Solve for x
    x = 926,884,504.44/33,044.80
  6. Step 6: Final answer
    x = 28,049.33

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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.