Home / 30,355.92-41,893.92-18,422.28

Finding the Fourth Proportional to 30,355.92, 41,893.92 and 18,422.28

Calculator

Solution

The fourth proportional to 30,355.92, 41,893.92 and 18,422.28 is: 25,424.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355.92 : 41,893.92 = 18,422.28 : x
  2. Step 2: Convert to fraction form
    30,355.92/41,893.92 = 18,422.28/x
  3. Step 3: Cross multiply
    30,355.92x = 41,893.92 × 18,422.28
  4. Step 4: Simplify right side
    30,355.92x = 771,781,524.54
  5. Step 5: Solve for x
    x = 771,781,524.54/30,355.92
  6. Step 6: Final answer
    x = 25,424.42

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.