Home / 29,147.60-40,216.20-17,656.40

Finding the Fourth Proportional to 29,147.60, 40,216.20 and 17,656.40

Calculator

Solution

The fourth proportional to 29,147.60, 40,216.20 and 17,656.40 is: 24,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147.60 : 40,216.20 = 17,656.40 : x
  2. Step 2: Convert to fraction form
    29,147.60/40,216.20 = 17,656.40/x
  3. Step 3: Cross multiply
    29,147.60x = 40,216.20 × 17,656.40
  4. Step 4: Simplify right side
    29,147.60x = 710,073,313.68
  5. Step 5: Solve for x
    x = 710,073,313.68/29,147.60
  6. Step 6: Final answer
    x = 24,361.30

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.