Home / 29,819.75-41,168.45-19,777.77

Finding the Fourth Proportional to 29,819.75, 41,168.45 and 19,777.77

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Solution

The fourth proportional to 29,819.75, 41,168.45 and 19,777.77 is: 27,304.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,819.75 : 41,168.45 = 19,777.77 : x
  2. Step 2: Convert to fraction form
    29,819.75/41,168.45 = 19,777.77/x
  3. Step 3: Cross multiply
    29,819.75x = 41,168.45 × 19,777.77
  4. Step 4: Simplify right side
    29,819.75x = 814,220,184.80
  5. Step 5: Solve for x
    x = 814,220,184.80/29,819.75
  6. Step 6: Final answer
    x = 27,304.73

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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.