Home / 31,812.88-43,902.84-17,664.40

Finding the Fourth Proportional to 31,812.88, 43,902.84 and 17,664.40

Calculator

Solution

The fourth proportional to 31,812.88, 43,902.84 and 17,664.40 is: 24,377.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,812.88 : 43,902.84 = 17,664.40 : x
  2. Step 2: Convert to fraction form
    31,812.88/43,902.84 = 17,664.40/x
  3. Step 3: Cross multiply
    31,812.88x = 43,902.84 × 17,664.40
  4. Step 4: Simplify right side
    31,812.88x = 775,517,326.90
  5. Step 5: Solve for x
    x = 775,517,326.90/31,812.88
  6. Step 6: Final answer
    x = 24,377.46

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.