Home / 29,180.32-40,212.66-21,209.92

Finding the Fourth Proportional to 29,180.32, 40,212.66 and 21,209.92

Calculator

Solution

The fourth proportional to 29,180.32, 40,212.66 and 21,209.92 is: 29,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,180.32 : 40,212.66 = 21,209.92 : x
  2. Step 2: Convert to fraction form
    29,180.32/40,212.66 = 21,209.92/x
  3. Step 3: Cross multiply
    29,180.32x = 40,212.66 × 21,209.92
  4. Step 4: Simplify right side
    29,180.32x = 852,907,301.59
  5. Step 5: Solve for x
    x = 852,907,301.59/29,180.32
  6. Step 6: Final answer
    x = 29,228.85

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.