Home / 71,219.15-106,779.52-31,218.92

Finding the Fourth Proportional to 71,219.15, 106,779.52 and 31,218.92

Calculator

Solution

The fourth proportional to 71,219.15, 106,779.52 and 31,218.92 is: 46,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,219.15 : 106,779.52 = 31,218.92 : x
  2. Step 2: Convert to fraction form
    71,219.15/106,779.52 = 31,218.92/x
  3. Step 3: Cross multiply
    71,219.15x = 106,779.52 × 31,218.92
  4. Step 4: Simplify right side
    71,219.15x = 3,333,541,770.99
  5. Step 5: Solve for x
    x = 3,333,541,770.99/71,219.15
  6. Step 6: Final answer
    x = 46,806.82

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.