Home / 55.94-77.00-45.51

Finding the Fourth Proportional to 55.94, 77.00 and 45.51

Calculator

Solution

The fourth proportional to 55.94, 77.00 and 45.51 is: 62.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.94 : 77.00 = 45.51 : x
  2. Step 2: Convert to fraction form
    55.94/77.00 = 45.51/x
  3. Step 3: Cross multiply
    55.94x = 77.00 × 45.51
  4. Step 4: Simplify right side
    55.94x = 3,504.44
  5. Step 5: Solve for x
    x = 3,504.44/55.94
  6. Step 6: Final answer
    x = 62.65

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.