Home / 33,330.35-45,996.75-18,223.65

Finding the Fourth Proportional to 33,330.35, 45,996.75 and 18,223.65

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Solution

The fourth proportional to 33,330.35, 45,996.75 and 18,223.65 is: 25,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,330.35 : 45,996.75 = 18,223.65 : x
  2. Step 2: Convert to fraction form
    33,330.35/45,996.75 = 18,223.65/x
  3. Step 3: Cross multiply
    33,330.35x = 45,996.75 × 18,223.65
  4. Step 4: Simplify right side
    33,330.35x = 838,228,673.14
  5. Step 5: Solve for x
    x = 838,228,673.14/33,330.35
  6. Step 6: Final answer
    x = 25,149.11

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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.