Home / 36,082.12-49,792.47-20,168.05

Finding the Fourth Proportional to 36,082.12, 49,792.47 and 20,168.05

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Solution

The fourth proportional to 36,082.12, 49,792.47 and 20,168.05 is: 27,831.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,082.12 : 49,792.47 = 20,168.05 : x
  2. Step 2: Convert to fraction form
    36,082.12/49,792.47 = 20,168.05/x
  3. Step 3: Cross multiply
    36,082.12x = 49,792.47 × 20,168.05
  4. Step 4: Simplify right side
    36,082.12x = 1,004,217,079.37
  5. Step 5: Solve for x
    x = 1,004,217,079.37/36,082.12
  6. Step 6: Final answer
    x = 27,831.43

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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.