Home / 71,505.09-107,258.40-21,585.60

Finding the Fourth Proportional to 71,505.09, 107,258.40 and 21,585.60

Calculator

Solution

The fourth proportional to 71,505.09, 107,258.40 and 21,585.60 is: 32,378.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,505.09 : 107,258.40 = 21,585.60 : x
  2. Step 2: Convert to fraction form
    71,505.09/107,258.40 = 21,585.60/x
  3. Step 3: Cross multiply
    71,505.09x = 107,258.40 × 21,585.60
  4. Step 4: Simplify right side
    71,505.09x = 2,315,236,919.04
  5. Step 5: Solve for x
    x = 2,315,236,919.04/71,505.09
  6. Step 6: Final answer
    x = 32,378.63

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.