Home / 55,491.49-76,578.55-30,340.99

Finding the Fourth Proportional to 55,491.49, 76,578.55 and 30,340.99

Calculator

Solution

The fourth proportional to 55,491.49, 76,578.55 and 30,340.99 is: 41,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,491.49 : 76,578.55 = 30,340.99 : x
  2. Step 2: Convert to fraction form
    55,491.49/76,578.55 = 30,340.99/x
  3. Step 3: Cross multiply
    55,491.49x = 76,578.55 × 30,340.99
  4. Step 4: Simplify right side
    55,491.49x = 2,323,469,210.30
  5. Step 5: Solve for x
    x = 2,323,469,210.30/55,491.49
  6. Step 6: Final answer
    x = 41,870.73

Related Problems

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.