Home / 55,432.13-76,406.49-43,311.43

Finding the Fourth Proportional to 55,432.13, 76,406.49 and 43,311.43

Calculator

Solution

The fourth proportional to 55,432.13, 76,406.49 and 43,311.43 is: 59,699.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,432.13 : 76,406.49 = 43,311.43 : x
  2. Step 2: Convert to fraction form
    55,432.13/76,406.49 = 43,311.43/x
  3. Step 3: Cross multiply
    55,432.13x = 76,406.49 × 43,311.43
  4. Step 4: Simplify right side
    55,432.13x = 3,309,274,170.07
  5. Step 5: Solve for x
    x = 3,309,274,170.07/55,432.13
  6. Step 6: Final answer
    x = 59,699.56

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.