Home / 36,899.82-50,919.75-20,982.06

Finding the Fourth Proportional to 36,899.82, 50,919.75 and 20,982.06

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Solution

The fourth proportional to 36,899.82, 50,919.75 and 20,982.06 is: 28,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,899.82 : 50,919.75 = 20,982.06 : x
  2. Step 2: Convert to fraction form
    36,899.82/50,919.75 = 20,982.06/x
  3. Step 3: Cross multiply
    36,899.82x = 50,919.75 × 20,982.06
  4. Step 4: Simplify right side
    36,899.82x = 1,068,401,249.69
  5. Step 5: Solve for x
    x = 1,068,401,249.69/36,899.82
  6. Step 6: Final answer
    x = 28,954.10

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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.