Home / 33,282.90-45,917.28-21,344.31

Finding the Fourth Proportional to 33,282.90, 45,917.28 and 21,344.31

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Solution

The fourth proportional to 33,282.90, 45,917.28 and 21,344.31 is: 29,446.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,282.90 : 45,917.28 = 21,344.31 : x
  2. Step 2: Convert to fraction form
    33,282.90/45,917.28 = 21,344.31/x
  3. Step 3: Cross multiply
    33,282.90x = 45,917.28 × 21,344.31
  4. Step 4: Simplify right side
    33,282.90x = 980,072,658.68
  5. Step 5: Solve for x
    x = 980,072,658.68/33,282.90
  6. Step 6: Final answer
    x = 29,446.73

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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.