Home / 36,489.11-50,357.84-20,361.51

Finding the Fourth Proportional to 36,489.11, 50,357.84 and 20,361.51

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Solution

The fourth proportional to 36,489.11, 50,357.84 and 20,361.51 is: 28,100.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,489.11 : 50,357.84 = 20,361.51 : x
  2. Step 2: Convert to fraction form
    36,489.11/50,357.84 = 20,361.51/x
  3. Step 3: Cross multiply
    36,489.11x = 50,357.84 × 20,361.51
  4. Step 4: Simplify right side
    36,489.11x = 1,025,361,560.93
  5. Step 5: Solve for x
    x = 1,025,361,560.93/36,489.11
  6. Step 6: Final answer
    x = 28,100.49

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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.