Home / 31,649.37-43,695.08-19,728.86

Finding the Fourth Proportional to 31,649.37, 43,695.08 and 19,728.86

Calculator

Solution

The fourth proportional to 31,649.37, 43,695.08 and 19,728.86 is: 27,237.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,649.37 : 43,695.08 = 19,728.86 : x
  2. Step 2: Convert to fraction form
    31,649.37/43,695.08 = 19,728.86/x
  3. Step 3: Cross multiply
    31,649.37x = 43,695.08 × 19,728.86
  4. Step 4: Simplify right side
    31,649.37x = 862,053,872.87
  5. Step 5: Solve for x
    x = 862,053,872.87/31,649.37
  6. Step 6: Final answer
    x = 27,237.63

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.