Home / 34,118.96-47,079.92-19,778.72

Finding the Fourth Proportional to 34,118.96, 47,079.92 and 19,778.72

Calculator

Solution

The fourth proportional to 34,118.96, 47,079.92 and 19,778.72 is: 27,292.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,118.96 : 47,079.92 = 19,778.72 : x
  2. Step 2: Convert to fraction form
    34,118.96/47,079.92 = 19,778.72/x
  3. Step 3: Cross multiply
    34,118.96x = 47,079.92 × 19,778.72
  4. Step 4: Simplify right side
    34,118.96x = 931,180,555.30
  5. Step 5: Solve for x
    x = 931,180,555.30/34,118.96
  6. Step 6: Final answer
    x = 27,292.17

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.