Home / 33,080.15-45,633.13-20,959.25

Finding the Fourth Proportional to 33,080.15, 45,633.13 and 20,959.25

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Solution

The fourth proportional to 33,080.15, 45,633.13 and 20,959.25 is: 28,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,080.15 : 45,633.13 = 20,959.25 : x
  2. Step 2: Convert to fraction form
    33,080.15/45,633.13 = 20,959.25/x
  3. Step 3: Cross multiply
    33,080.15x = 45,633.13 × 20,959.25
  4. Step 4: Simplify right side
    33,080.15x = 956,435,899.39
  5. Step 5: Solve for x
    x = 956,435,899.39/33,080.15
  6. Step 6: Final answer
    x = 28,912.68

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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.