Home / 71,540.96-107,312.18-21,621.47

Finding the Fourth Proportional to 71,540.96, 107,312.18 and 21,621.47

Calculator

Solution

The fourth proportional to 71,540.96, 107,312.18 and 21,621.47 is: 32,432.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,540.96 : 107,312.18 = 21,621.47 : x
  2. Step 2: Convert to fraction form
    71,540.96/107,312.18 = 21,621.47/x
  3. Step 3: Cross multiply
    71,540.96x = 107,312.18 × 21,621.47
  4. Step 4: Simplify right side
    71,540.96x = 2,320,246,435.84
  5. Step 5: Solve for x
    x = 2,320,246,435.84/71,540.96
  6. Step 6: Final answer
    x = 32,432.42

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.