Home / 43,010.74-64,505.17-13,431.56

Finding the Fourth Proportional to 43,010.74, 64,505.17 and 13,431.56

Calculator

Solution

The fourth proportional to 43,010.74, 64,505.17 and 13,431.56 is: 20,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,010.74 : 64,505.17 = 13,431.56 : x
  2. Step 2: Convert to fraction form
    43,010.74/64,505.17 = 13,431.56/x
  3. Step 3: Cross multiply
    43,010.74x = 64,505.17 × 13,431.56
  4. Step 4: Simplify right side
    43,010.74x = 866,405,188.85
  5. Step 5: Solve for x
    x = 866,405,188.85/43,010.74
  6. Step 6: Final answer
    x = 20,143.93

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.