Home / 33,072.84-45,624.42-18,921.96

Finding the Fourth Proportional to 33,072.84, 45,624.42 and 18,921.96

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Solution

The fourth proportional to 33,072.84, 45,624.42 and 18,921.96 is: 26,103.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,072.84 : 45,624.42 = 18,921.96 : x
  2. Step 2: Convert to fraction form
    33,072.84/45,624.42 = 18,921.96/x
  3. Step 3: Cross multiply
    33,072.84x = 45,624.42 × 18,921.96
  4. Step 4: Simplify right side
    33,072.84x = 863,303,450.26
  5. Step 5: Solve for x
    x = 863,303,450.26/33,072.84
  6. Step 6: Final answer
    x = 26,103.09

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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.