Home / 36,080.35-49,785.29-20,161.72

Finding the Fourth Proportional to 36,080.35, 49,785.29 and 20,161.72

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Solution

The fourth proportional to 36,080.35, 49,785.29 and 20,161.72 is: 27,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,080.35 : 49,785.29 = 20,161.72 : x
  2. Step 2: Convert to fraction form
    36,080.35/49,785.29 = 20,161.72/x
  3. Step 3: Cross multiply
    36,080.35x = 49,785.29 × 20,161.72
  4. Step 4: Simplify right side
    36,080.35x = 1,003,757,114.13
  5. Step 5: Solve for x
    x = 1,003,757,114.13/36,080.35
  6. Step 6: Final answer
    x = 27,820.05

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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.