Home / 36,047.33-49,739.27-20,131.85

Finding the Fourth Proportional to 36,047.33, 49,739.27 and 20,131.85

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Solution

The fourth proportional to 36,047.33, 49,739.27 and 20,131.85 is: 27,778.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,047.33 : 49,739.27 = 20,131.85 : x
  2. Step 2: Convert to fraction form
    36,047.33/49,739.27 = 20,131.85/x
  3. Step 3: Cross multiply
    36,047.33x = 49,739.27 × 20,131.85
  4. Step 4: Simplify right side
    36,047.33x = 1,001,343,324.38
  5. Step 5: Solve for x
    x = 1,001,343,324.38/36,047.33
  6. Step 6: Final answer
    x = 27,778.57

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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.