Home / 34,149.41-47,129.30-20,724.08

Finding the Fourth Proportional to 34,149.41, 47,129.30 and 20,724.08

Calculator

Solution

The fourth proportional to 34,149.41, 47,129.30 and 20,724.08 is: 28,601.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,149.41 : 47,129.30 = 20,724.08 : x
  2. Step 2: Convert to fraction form
    34,149.41/47,129.30 = 20,724.08/x
  3. Step 3: Cross multiply
    34,149.41x = 47,129.30 × 20,724.08
  4. Step 4: Simplify right side
    34,149.41x = 976,711,383.54
  5. Step 5: Solve for x
    x = 976,711,383.54/34,149.41
  6. Step 6: Final answer
    x = 28,601.12

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.