Home / 36,077.91-49,786.60-20,162.47

Finding the Fourth Proportional to 36,077.91, 49,786.60 and 20,162.47

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Solution

The fourth proportional to 36,077.91, 49,786.60 and 20,162.47 is: 27,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,077.91 : 49,786.60 = 20,162.47 : x
  2. Step 2: Convert to fraction form
    36,077.91/49,786.60 = 20,162.47/x
  3. Step 3: Cross multiply
    36,077.91x = 49,786.60 × 20,162.47
  4. Step 4: Simplify right side
    36,077.91x = 1,003,820,785.18
  5. Step 5: Solve for x
    x = 1,003,820,785.18/36,077.91
  6. Step 6: Final answer
    x = 27,823.70

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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.