Home / 39,157.32-54,037.62-21,252.54

Finding the Fourth Proportional to 39,157.32, 54,037.62 and 21,252.54

Calculator

Solution

The fourth proportional to 39,157.32, 54,037.62 and 21,252.54 is: 29,328.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,157.32 : 54,037.62 = 21,252.54 : x
  2. Step 2: Convert to fraction form
    39,157.32/54,037.62 = 21,252.54/x
  3. Step 3: Cross multiply
    39,157.32x = 54,037.62 × 21,252.54
  4. Step 4: Simplify right side
    39,157.32x = 1,148,436,680.55
  5. Step 5: Solve for x
    x = 1,148,436,680.55/39,157.32
  6. Step 6: Final answer
    x = 29,328.79

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.