Home / 54,223.20-81,226.80-47,728.80

Finding the Fourth Proportional to 54,223.20, 81,226.80 and 47,728.80

Calculator

Solution

The fourth proportional to 54,223.20, 81,226.80 and 47,728.80 is: 71,498.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,223.20 : 81,226.80 = 47,728.80 : x
  2. Step 2: Convert to fraction form
    54,223.20/81,226.80 = 47,728.80/x
  3. Step 3: Cross multiply
    54,223.20x = 81,226.80 × 47,728.80
  4. Step 4: Simplify right side
    54,223.20x = 3,876,857,691.84
  5. Step 5: Solve for x
    x = 3,876,857,691.84/54,223.20
  6. Step 6: Final answer
    x = 71,498.14

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.