Home / 59.41-81.96-55.09

Finding the Fourth Proportional to 59.41, 81.96 and 55.09

Calculator

Solution

The fourth proportional to 59.41, 81.96 and 55.09 is: 76.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.41 : 81.96 = 55.09 : x
  2. Step 2: Convert to fraction form
    59.41/81.96 = 55.09/x
  3. Step 3: Cross multiply
    59.41x = 81.96 × 55.09
  4. Step 4: Simplify right side
    59.41x = 4,515.18
  5. Step 5: Solve for x
    x = 4,515.18/59.41
  6. Step 6: Final answer
    x = 76.00

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.