Home / 39,436.44-54,421.88-21,531.39

Finding the Fourth Proportional to 39,436.44, 54,421.88 and 21,531.39

Calculator

Solution

The fourth proportional to 39,436.44, 54,421.88 and 21,531.39 is: 29,713.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,436.44 : 54,421.88 = 21,531.39 : x
  2. Step 2: Convert to fraction form
    39,436.44/54,421.88 = 21,531.39/x
  3. Step 3: Cross multiply
    39,436.44x = 54,421.88 × 21,531.39
  4. Step 4: Simplify right side
    39,436.44x = 1,171,778,615.16
  5. Step 5: Solve for x
    x = 1,171,778,615.16/39,436.44
  6. Step 6: Final answer
    x = 29,713.09

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.