Home / 33,792.88-46,638.84-21,234.64

Finding the Fourth Proportional to 33,792.88, 46,638.84 and 21,234.64

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Solution

The fourth proportional to 33,792.88, 46,638.84 and 21,234.64 is: 29,306.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,792.88 : 46,638.84 = 21,234.64 : x
  2. Step 2: Convert to fraction form
    33,792.88/46,638.84 = 21,234.64/x
  3. Step 3: Cross multiply
    33,792.88x = 46,638.84 × 21,234.64
  4. Step 4: Simplify right side
    33,792.88x = 990,358,977.42
  5. Step 5: Solve for x
    x = 990,358,977.42/33,792.88
  6. Step 6: Final answer
    x = 29,306.73

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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.