Home / 50,781.35-76,179.11-21,192.40

Finding the Fourth Proportional to 50,781.35, 76,179.11 and 21,192.40

Calculator

Solution

The fourth proportional to 50,781.35, 76,179.11 and 21,192.40 is: 31,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,781.35 : 76,179.11 = 21,192.40 : x
  2. Step 2: Convert to fraction form
    50,781.35/76,179.11 = 21,192.40/x
  3. Step 3: Cross multiply
    50,781.35x = 76,179.11 × 21,192.40
  4. Step 4: Simplify right side
    50,781.35x = 1,614,418,414.19
  5. Step 5: Solve for x
    x = 1,614,418,414.19/50,781.35
  6. Step 6: Final answer
    x = 31,791.56

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.