Home / 33,067.17-45,630.34-18,722.88

Finding the Fourth Proportional to 33,067.17, 45,630.34 and 18,722.88

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Solution

The fourth proportional to 33,067.17, 45,630.34 and 18,722.88 is: 25,836.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,067.17 : 45,630.34 = 18,722.88 : x
  2. Step 2: Convert to fraction form
    33,067.17/45,630.34 = 18,722.88/x
  3. Step 3: Cross multiply
    33,067.17x = 45,630.34 × 18,722.88
  4. Step 4: Simplify right side
    33,067.17x = 854,331,333.37
  5. Step 5: Solve for x
    x = 854,331,333.37/33,067.17
  6. Step 6: Final answer
    x = 25,836.24

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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.