Home / 53.25-79.71-29.13

Finding the Fourth Proportional to 53.25, 79.71 and 29.13

Calculator

Solution

The fourth proportional to 53.25, 79.71 and 29.13 is: 43.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.25 : 79.71 = 29.13 : x
  2. Step 2: Convert to fraction form
    53.25/79.71 = 29.13/x
  3. Step 3: Cross multiply
    53.25x = 79.71 × 29.13
  4. Step 4: Simplify right side
    53.25x = 2,321.95
  5. Step 5: Solve for x
    x = 2,321.95/53.25
  6. Step 6: Final answer
    x = 43.60

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.