Home / 47.07-70.57-23

Finding the Fourth Proportional to 47.07, 70.57 and 23

Calculator

Solution

The fourth proportional to 47.07, 70.57 and 23 is: 34.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.07 : 70.57 = 23 : x
  2. Step 2: Convert to fraction form
    47.07/70.57 = 23/x
  3. Step 3: Cross multiply
    47.07x = 70.57 × 23
  4. Step 4: Simplify right side
    47.07x = 1,623.11
  5. Step 5: Solve for x
    x = 1,623.11/47.07
  6. Step 6: Final answer
    x = 34.48

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.