Home / 33,240.58-45,863.82-20,316.56

Finding the Fourth Proportional to 33,240.58, 45,863.82 and 20,316.56

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Solution

The fourth proportional to 33,240.58, 45,863.82 and 20,316.56 is: 28,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,240.58 : 45,863.82 = 20,316.56 : x
  2. Step 2: Convert to fraction form
    33,240.58/45,863.82 = 20,316.56/x
  3. Step 3: Cross multiply
    33,240.58x = 45,863.82 × 20,316.56
  4. Step 4: Simplify right side
    33,240.58x = 931,794,821.54
  5. Step 5: Solve for x
    x = 931,794,821.54/33,240.58
  6. Step 6: Final answer
    x = 28,031.85

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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.