Home / 33,078.56-45,649.14-20,338.58

Finding the Fourth Proportional to 33,078.56, 45,649.14 and 20,338.58

Calculator

Solution

The fourth proportional to 33,078.56, 45,649.14 and 20,338.58 is: 28,067.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,078.56 : 45,649.14 = 20,338.58 : x
  2. Step 2: Convert to fraction form
    33,078.56/45,649.14 = 20,338.58/x
  3. Step 3: Cross multiply
    33,078.56x = 45,649.14 × 20,338.58
  4. Step 4: Simplify right side
    33,078.56x = 928,438,685.82
  5. Step 5: Solve for x
    x = 928,438,685.82/33,078.56
  6. Step 6: Final answer
    x = 28,067.69

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.