Home / 53,431.50-80,125.09-19,699.44

Finding the Fourth Proportional to 53,431.50, 80,125.09 and 19,699.44

Calculator

Solution

The fourth proportional to 53,431.50, 80,125.09 and 19,699.44 is: 29,540.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,431.50 : 80,125.09 = 19,699.44 : x
  2. Step 2: Convert to fraction form
    53,431.50/80,125.09 = 19,699.44/x
  3. Step 3: Cross multiply
    53,431.50x = 80,125.09 × 19,699.44
  4. Step 4: Simplify right side
    53,431.50x = 1,578,419,488.22
  5. Step 5: Solve for x
    x = 1,578,419,488.22/53,431.50
  6. Step 6: Final answer
    x = 29,540.99

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.