Home / 30,438.43-45,653.39-10,447.61

Finding the Fourth Proportional to 30,438.43, 45,653.39 and 10,447.61

Calculator

Solution

The fourth proportional to 30,438.43, 45,653.39 and 10,447.61 is: 15,669.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,438.43 : 45,653.39 = 10,447.61 : x
  2. Step 2: Convert to fraction form
    30,438.43/45,653.39 = 10,447.61/x
  3. Step 3: Cross multiply
    30,438.43x = 45,653.39 × 10,447.61
  4. Step 4: Simplify right side
    30,438.43x = 476,968,813.90
  5. Step 5: Solve for x
    x = 476,968,813.90/30,438.43
  6. Step 6: Final answer
    x = 15,669.95

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.