Home / 29,771.20-41,086.35-19,682.11

Finding the Fourth Proportional to 29,771.20, 41,086.35 and 19,682.11

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Solution

The fourth proportional to 29,771.20, 41,086.35 and 19,682.11 is: 27,162.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,771.20 : 41,086.35 = 19,682.11 : x
  2. Step 2: Convert to fraction form
    29,771.20/41,086.35 = 19,682.11/x
  3. Step 3: Cross multiply
    29,771.20x = 41,086.35 × 19,682.11
  4. Step 4: Simplify right side
    29,771.20x = 808,666,060.20
  5. Step 5: Solve for x
    x = 808,666,060.20/29,771.20
  6. Step 6: Final answer
    x = 27,162.70

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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.