Home / 36,049.05-49,742.78-20,131.47

Finding the Fourth Proportional to 36,049.05, 49,742.78 and 20,131.47

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Solution

The fourth proportional to 36,049.05, 49,742.78 and 20,131.47 is: 27,778.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,049.05 : 49,742.78 = 20,131.47 : x
  2. Step 2: Convert to fraction form
    36,049.05/49,742.78 = 20,131.47/x
  3. Step 3: Cross multiply
    36,049.05x = 49,742.78 × 20,131.47
  4. Step 4: Simplify right side
    36,049.05x = 1,001,395,182.63
  5. Step 5: Solve for x
    x = 1,001,395,182.63/36,049.05
  6. Step 6: Final answer
    x = 27,778.68

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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.