Home / 57,176.75-78,902.74-31,682.90

Finding the Fourth Proportional to 57,176.75, 78,902.74 and 31,682.90

Calculator

Solution

The fourth proportional to 57,176.75, 78,902.74 and 31,682.90 is: 43,721.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,176.75 : 78,902.74 = 31,682.90 : x
  2. Step 2: Convert to fraction form
    57,176.75/78,902.74 = 31,682.90/x
  3. Step 3: Cross multiply
    57,176.75x = 78,902.74 × 31,682.90
  4. Step 4: Simplify right side
    57,176.75x = 2,499,867,147.43
  5. Step 5: Solve for x
    x = 2,499,867,147.43/57,176.75
  6. Step 6: Final answer
    x = 43,721.74

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.