Home / 34.50-47.62-23

Finding the Fourth Proportional to 34.50, 47.62 and 23

Calculator

Solution

The fourth proportional to 34.50, 47.62 and 23 is: 31.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.50 : 47.62 = 23 : x
  2. Step 2: Convert to fraction form
    34.50/47.62 = 23/x
  3. Step 3: Cross multiply
    34.50x = 47.62 × 23
  4. Step 4: Simplify right side
    34.50x = 1,095.26
  5. Step 5: Solve for x
    x = 1,095.26/34.50
  6. Step 6: Final answer
    x = 31.75

Related Problems

Find fourth proportional to 17.25, 23.81 and 11.50
Half scale
Find fourth proportional to 69, 95.24 and 46
Double scale
Find fourth proportional to 35.50, 49 and 24
Similar ratio
Find fourth proportional to 51.75, 71.43 and 34.50
1.5x scale

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.