Home / 36,079.56-49,789.49-20,164.68

Finding the Fourth Proportional to 36,079.56, 49,789.49 and 20,164.68

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Solution

The fourth proportional to 36,079.56, 49,789.49 and 20,164.68 is: 27,827.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,079.56 : 49,789.49 = 20,164.68 : x
  2. Step 2: Convert to fraction form
    36,079.56/49,789.49 = 20,164.68/x
  3. Step 3: Cross multiply
    36,079.56x = 49,789.49 × 20,164.68
  4. Step 4: Simplify right side
    36,079.56x = 1,003,989,032.39
  5. Step 5: Solve for x
    x = 1,003,989,032.39/36,079.56
  6. Step 6: Final answer
    x = 27,827.09

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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.