Home / 31,284.09-43,172.61-17,136.03

Finding the Fourth Proportional to 31,284.09, 43,172.61 and 17,136.03

Calculator

Solution

The fourth proportional to 31,284.09, 43,172.61 and 17,136.03 is: 23,648.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,284.09 : 43,172.61 = 17,136.03 : x
  2. Step 2: Convert to fraction form
    31,284.09/43,172.61 = 17,136.03/x
  3. Step 3: Cross multiply
    31,284.09x = 43,172.61 × 17,136.03
  4. Step 4: Simplify right side
    31,284.09x = 739,807,140.14
  5. Step 5: Solve for x
    x = 739,807,140.14/31,284.09
  6. Step 6: Final answer
    x = 23,648.03

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.