Home / 58.12-80.11-53.46

Finding the Fourth Proportional to 58.12, 80.11 and 53.46

Calculator

Solution

The fourth proportional to 58.12, 80.11 and 53.46 is: 73.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.12 : 80.11 = 53.46 : x
  2. Step 2: Convert to fraction form
    58.12/80.11 = 53.46/x
  3. Step 3: Cross multiply
    58.12x = 80.11 × 53.46
  4. Step 4: Simplify right side
    58.12x = 4,282.68
  5. Step 5: Solve for x
    x = 4,282.68/58.12
  6. Step 6: Final answer
    x = 73.69

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.