Home / 30,160.88-41,618.66-16,728.78

Finding the Fourth Proportional to 30,160.88, 41,618.66 and 16,728.78

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Solution

The fourth proportional to 30,160.88, 41,618.66 and 16,728.78 is: 23,083.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,160.88 : 41,618.66 = 16,728.78 : x
  2. Step 2: Convert to fraction form
    30,160.88/41,618.66 = 16,728.78/x
  3. Step 3: Cross multiply
    30,160.88x = 41,618.66 × 16,728.78
  4. Step 4: Simplify right side
    30,160.88x = 696,229,407.03
  5. Step 5: Solve for x
    x = 696,229,407.03/30,160.88
  6. Step 6: Final answer
    x = 23,083.86

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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.