Home / 33,049.87-45,596.28-21,725.47

Finding the Fourth Proportional to 33,049.87, 45,596.28 and 21,725.47

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Solution

The fourth proportional to 33,049.87, 45,596.28 and 21,725.47 is: 29,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,049.87 : 45,596.28 = 21,725.47 : x
  2. Step 2: Convert to fraction form
    33,049.87/45,596.28 = 21,725.47/x
  3. Step 3: Cross multiply
    33,049.87x = 45,596.28 × 21,725.47
  4. Step 4: Simplify right side
    33,049.87x = 990,600,613.25
  5. Step 5: Solve for x
    x = 990,600,613.25/33,049.87
  6. Step 6: Final answer
    x = 29,972.90

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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.