Home / 33,219.75-45,843.26-18,315.75

Finding the Fourth Proportional to 33,219.75, 45,843.26 and 18,315.75

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Solution

The fourth proportional to 33,219.75, 45,843.26 and 18,315.75 is: 25,275.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,219.75 : 45,843.26 = 18,315.75 : x
  2. Step 2: Convert to fraction form
    33,219.75/45,843.26 = 18,315.75/x
  3. Step 3: Cross multiply
    33,219.75x = 45,843.26 × 18,315.75
  4. Step 4: Simplify right side
    33,219.75x = 839,653,597.77
  5. Step 5: Solve for x
    x = 839,653,597.77/33,219.75
  6. Step 6: Final answer
    x = 25,275.74

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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.