Home / 29,777.54-41,091.45-20,348.42

Finding the Fourth Proportional to 29,777.54, 41,091.45 and 20,348.42

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Solution

The fourth proportional to 29,777.54, 41,091.45 and 20,348.42 is: 28,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,777.54 : 41,091.45 = 20,348.42 : x
  2. Step 2: Convert to fraction form
    29,777.54/41,091.45 = 20,348.42/x
  3. Step 3: Cross multiply
    29,777.54x = 41,091.45 × 20,348.42
  4. Step 4: Simplify right side
    29,777.54x = 836,146,083.01
  5. Step 5: Solve for x
    x = 836,146,083.01/29,777.54
  6. Step 6: Final answer
    x = 28,079.76

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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.