Home / 20,670.92-31,006.72-5,880.22

Finding the Fourth Proportional to 20,670.92, 31,006.72 and 5,880.22

Calculator

Solution

The fourth proportional to 20,670.92, 31,006.72 and 5,880.22 is: 8,820.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,670.92 : 31,006.72 = 5,880.22 : x
  2. Step 2: Convert to fraction form
    20,670.92/31,006.72 = 5,880.22/x
  3. Step 3: Cross multiply
    20,670.92x = 31,006.72 × 5,880.22
  4. Step 4: Simplify right side
    20,670.92x = 182,326,368.66
  5. Step 5: Solve for x
    x = 182,326,368.66/20,670.92
  6. Step 6: Final answer
    x = 8,820.43

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.