Home / 45.87-68.74-25.62

Finding the Fourth Proportional to 45.87, 68.74 and 25.62

Calculator

Solution

The fourth proportional to 45.87, 68.74 and 25.62 is: 38.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.87 : 68.74 = 25.62 : x
  2. Step 2: Convert to fraction form
    45.87/68.74 = 25.62/x
  3. Step 3: Cross multiply
    45.87x = 68.74 × 25.62
  4. Step 4: Simplify right side
    45.87x = 1,761.05
  5. Step 5: Solve for x
    x = 1,761.05/45.87
  6. Step 6: Final answer
    x = 38.39

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.