Home / 33,154.76-45,759.12-21,217.52

Finding the Fourth Proportional to 33,154.76, 45,759.12 and 21,217.52

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Solution

The fourth proportional to 33,154.76, 45,759.12 and 21,217.52 is: 29,283.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,154.76 : 45,759.12 = 21,217.52 : x
  2. Step 2: Convert to fraction form
    33,154.76/45,759.12 = 21,217.52/x
  3. Step 3: Cross multiply
    33,154.76x = 45,759.12 × 21,217.52
  4. Step 4: Simplify right side
    33,154.76x = 970,895,043.78
  5. Step 5: Solve for x
    x = 970,895,043.78/33,154.76
  6. Step 6: Final answer
    x = 29,283.73

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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.