Home / 55,136.60-76,086.18-31,264.88

Finding the Fourth Proportional to 55,136.60, 76,086.18 and 31,264.88

Calculator

Solution

The fourth proportional to 55,136.60, 76,086.18 and 31,264.88 is: 43,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,136.60 : 76,086.18 = 31,264.88 : x
  2. Step 2: Convert to fraction form
    55,136.60/76,086.18 = 31,264.88/x
  3. Step 3: Cross multiply
    55,136.60x = 76,086.18 × 31,264.88
  4. Step 4: Simplify right side
    55,136.60x = 2,378,825,287.36
  5. Step 5: Solve for x
    x = 2,378,825,287.36/55,136.60
  6. Step 6: Final answer
    x = 43,144.21

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.