Home / 49,978.14-74,967.22-20,409.90

Finding the Fourth Proportional to 49,978.14, 74,967.22 and 20,409.90

Calculator

Solution

The fourth proportional to 49,978.14, 74,967.22 and 20,409.90 is: 30,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,978.14 : 74,967.22 = 20,409.90 : x
  2. Step 2: Convert to fraction form
    49,978.14/74,967.22 = 20,409.90/x
  3. Step 3: Cross multiply
    49,978.14x = 74,967.22 × 20,409.90
  4. Step 4: Simplify right side
    49,978.14x = 1,530,073,463.48
  5. Step 5: Solve for x
    x = 1,530,073,463.48/49,978.14
  6. Step 6: Final answer
    x = 30,614.85

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.