Home / 56,100.70-77,418.94-30,950.20

Finding the Fourth Proportional to 56,100.70, 77,418.94 and 30,950.20

Calculator

Solution

The fourth proportional to 56,100.70, 77,418.94 and 30,950.20 is: 42,711.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,100.70 : 77,418.94 = 30,950.20 : x
  2. Step 2: Convert to fraction form
    56,100.70/77,418.94 = 30,950.20/x
  3. Step 3: Cross multiply
    56,100.70x = 77,418.94 × 30,950.20
  4. Step 4: Simplify right side
    56,100.70x = 2,396,131,676.79
  5. Step 5: Solve for x
    x = 2,396,131,676.79/56,100.70
  6. Step 6: Final answer
    x = 42,711.26

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.