Home / 55,457.28-76,522.20-31,584.40

Finding the Fourth Proportional to 55,457.28, 76,522.20 and 31,584.40

Calculator

Solution

The fourth proportional to 55,457.28, 76,522.20 and 31,584.40 is: 43,581.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,457.28 : 76,522.20 = 31,584.40 : x
  2. Step 2: Convert to fraction form
    55,457.28/76,522.20 = 31,584.40/x
  3. Step 3: Cross multiply
    55,457.28x = 76,522.20 × 31,584.40
  4. Step 4: Simplify right side
    55,457.28x = 2,416,907,773.68
  5. Step 5: Solve for x
    x = 2,416,907,773.68/55,457.28
  6. Step 6: Final answer
    x = 43,581.43

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.