Home / 36,076.79-49,785.03-20,161.37

Finding the Fourth Proportional to 36,076.79, 49,785.03 and 20,161.37

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Solution

The fourth proportional to 36,076.79, 49,785.03 and 20,161.37 is: 27,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,076.79 : 49,785.03 = 20,161.37 : x
  2. Step 2: Convert to fraction form
    36,076.79/49,785.03 = 20,161.37/x
  3. Step 3: Cross multiply
    36,076.79x = 49,785.03 × 20,161.37
  4. Step 4: Simplify right side
    36,076.79x = 1,003,734,161.37
  5. Step 5: Solve for x
    x = 1,003,734,161.37/36,076.79
  6. Step 6: Final answer
    x = 27,822.16

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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.