Home / 39,544.34-54,569.87-21,638.13

Finding the Fourth Proportional to 39,544.34, 54,569.87 and 21,638.13

Calculator

Solution

The fourth proportional to 39,544.34, 54,569.87 and 21,638.13 is: 29,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,544.34 : 54,569.87 = 21,638.13 : x
  2. Step 2: Convert to fraction form
    39,544.34/54,569.87 = 21,638.13/x
  3. Step 3: Cross multiply
    39,544.34x = 54,569.87 × 21,638.13
  4. Step 4: Simplify right side
    39,544.34x = 1,180,789,832.95
  5. Step 5: Solve for x
    x = 1,180,789,832.95/39,544.34
  6. Step 6: Final answer
    x = 29,859.90

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.