Home / 33,520.33-46,220.15-21,404.88

Finding the Fourth Proportional to 33,520.33, 46,220.15 and 21,404.88

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Solution

The fourth proportional to 33,520.33, 46,220.15 and 21,404.88 is: 29,514.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,520.33 : 46,220.15 = 21,404.88 : x
  2. Step 2: Convert to fraction form
    33,520.33/46,220.15 = 21,404.88/x
  3. Step 3: Cross multiply
    33,520.33x = 46,220.15 × 21,404.88
  4. Step 4: Simplify right side
    33,520.33x = 989,336,764.33
  5. Step 5: Solve for x
    x = 989,336,764.33/33,520.33
  6. Step 6: Final answer
    x = 29,514.53

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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.