Home / 33,161.12-45,744.84-19,722.80

Finding the Fourth Proportional to 33,161.12, 45,744.84 and 19,722.80

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Solution

The fourth proportional to 33,161.12, 45,744.84 and 19,722.80 is: 27,207.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,161.12 : 45,744.84 = 19,722.80 : x
  2. Step 2: Convert to fraction form
    33,161.12/45,744.84 = 19,722.80/x
  3. Step 3: Cross multiply
    33,161.12x = 45,744.84 × 19,722.80
  4. Step 4: Simplify right side
    33,161.12x = 902,216,330.35
  5. Step 5: Solve for x
    x = 902,216,330.35/33,161.12
  6. Step 6: Final answer
    x = 27,207.05

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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.