Home / 49,080.78-73,620.36-12,144.78

Finding the Fourth Proportional to 49,080.78, 73,620.36 and 12,144.78

Calculator

Solution

The fourth proportional to 49,080.78, 73,620.36 and 12,144.78 is: 18,216.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,080.78 : 73,620.36 = 12,144.78 : x
  2. Step 2: Convert to fraction form
    49,080.78/73,620.36 = 12,144.78/x
  3. Step 3: Cross multiply
    49,080.78x = 73,620.36 × 12,144.78
  4. Step 4: Simplify right side
    49,080.78x = 894,103,075.72
  5. Step 5: Solve for x
    x = 894,103,075.72/49,080.78
  6. Step 6: Final answer
    x = 18,216.97

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.