Home / 36,047.45-49,745.57-20,132.47

Finding the Fourth Proportional to 36,047.45, 49,745.57 and 20,132.47

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Solution

The fourth proportional to 36,047.45, 49,745.57 and 20,132.47 is: 27,782.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,047.45 : 49,745.57 = 20,132.47 : x
  2. Step 2: Convert to fraction form
    36,047.45/49,745.57 = 20,132.47/x
  3. Step 3: Cross multiply
    36,047.45x = 49,745.57 × 20,132.47
  4. Step 4: Simplify right side
    36,047.45x = 1,001,501,195.66
  5. Step 5: Solve for x
    x = 1,001,501,195.66/36,047.45
  6. Step 6: Final answer
    x = 27,782.86

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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.