Home / 36,077.18-49,786.38-20,161.62

Finding the Fourth Proportional to 36,077.18, 49,786.38 and 20,161.62

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Solution

The fourth proportional to 36,077.18, 49,786.38 and 20,161.62 is: 27,822.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,077.18 : 49,786.38 = 20,161.62 : x
  2. Step 2: Convert to fraction form
    36,077.18/49,786.38 = 20,161.62/x
  3. Step 3: Cross multiply
    36,077.18x = 49,786.38 × 20,161.62
  4. Step 4: Simplify right side
    36,077.18x = 1,003,774,074.74
  5. Step 5: Solve for x
    x = 1,003,774,074.74/36,077.18
  6. Step 6: Final answer
    x = 27,822.96

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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.