Home / 48,831.42-73,249.38-20,747.46

Finding the Fourth Proportional to 48,831.42, 73,249.38 and 20,747.46

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Solution

The fourth proportional to 48,831.42, 73,249.38 and 20,747.46 is: 31,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,831.42 : 73,249.38 = 20,747.46 : x
  2. Step 2: Convert to fraction form
    48,831.42/73,249.38 = 20,747.46/x
  3. Step 3: Cross multiply
    48,831.42x = 73,249.38 × 20,747.46
  4. Step 4: Simplify right side
    48,831.42x = 1,519,738,581.57
  5. Step 5: Solve for x
    x = 1,519,738,581.57/48,831.42
  6. Step 6: Final answer
    x = 31,122.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.