Home / 33,228.84-45,854.96-18,121.80

Finding the Fourth Proportional to 33,228.84, 45,854.96 and 18,121.80

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Solution

The fourth proportional to 33,228.84, 45,854.96 and 18,121.80 is: 25,007.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,228.84 : 45,854.96 = 18,121.80 : x
  2. Step 2: Convert to fraction form
    33,228.84/45,854.96 = 18,121.80/x
  3. Step 3: Cross multiply
    33,228.84x = 45,854.96 × 18,121.80
  4. Step 4: Simplify right side
    33,228.84x = 830,974,414.13
  5. Step 5: Solve for x
    x = 830,974,414.13/33,228.84
  6. Step 6: Final answer
    x = 25,007.63

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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.