Home / 33,069.58-45,634.71-19,640.49

Finding the Fourth Proportional to 33,069.58, 45,634.71 and 19,640.49

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Solution

The fourth proportional to 33,069.58, 45,634.71 and 19,640.49 is: 27,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,069.58 : 45,634.71 = 19,640.49 : x
  2. Step 2: Convert to fraction form
    33,069.58/45,634.71 = 19,640.49/x
  3. Step 3: Cross multiply
    33,069.58x = 45,634.71 × 19,640.49
  4. Step 4: Simplify right side
    33,069.58x = 896,288,065.41
  5. Step 5: Solve for x
    x = 896,288,065.41/33,069.58
  6. Step 6: Final answer
    x = 27,103.10

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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.