Home / 36,001.76-49,682.57-20,086.88

Finding the Fourth Proportional to 36,001.76, 49,682.57 and 20,086.88

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Solution

The fourth proportional to 36,001.76, 49,682.57 and 20,086.88 is: 27,719.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,001.76 : 49,682.57 = 20,086.88 : x
  2. Step 2: Convert to fraction form
    36,001.76/49,682.57 = 20,086.88/x
  3. Step 3: Cross multiply
    36,001.76x = 49,682.57 × 20,086.88
  4. Step 4: Simplify right side
    36,001.76x = 997,967,472.83
  5. Step 5: Solve for x
    x = 997,967,472.83/36,001.76
  6. Step 6: Final answer
    x = 27,719.97

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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.