Home / 30,906.48-46,359.24-12,438

Finding the Fourth Proportional to 30,906.48, 46,359.24 and 12,438

Calculator

Solution

The fourth proportional to 30,906.48, 46,359.24 and 12,438 is: 18,656.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,906.48 : 46,359.24 = 12,438 : x
  2. Step 2: Convert to fraction form
    30,906.48/46,359.24 = 12,438/x
  3. Step 3: Cross multiply
    30,906.48x = 46,359.24 × 12,438
  4. Step 4: Simplify right side
    30,906.48x = 576,616,227.12
  5. Step 5: Solve for x
    x = 576,616,227.12/30,906.48
  6. Step 6: Final answer
    x = 18,656.81

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.