Home / 36,151.88-49,889.25-20,832.80

Finding the Fourth Proportional to 36,151.88, 49,889.25 and 20,832.80

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Solution

The fourth proportional to 36,151.88, 49,889.25 and 20,832.80 is: 28,749.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,151.88 : 49,889.25 = 20,832.80 : x
  2. Step 2: Convert to fraction form
    36,151.88/49,889.25 = 20,832.80/x
  3. Step 3: Cross multiply
    36,151.88x = 49,889.25 × 20,832.80
  4. Step 4: Simplify right side
    36,151.88x = 1,039,332,663.24
  5. Step 5: Solve for x
    x = 1,039,332,663.24/36,151.88
  6. Step 6: Final answer
    x = 28,749.06

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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.