Home / 37,196.78-51,331.92-20,429.78

Finding the Fourth Proportional to 37,196.78, 51,331.92 and 20,429.78

Calculator

Solution

The fourth proportional to 37,196.78, 51,331.92 and 20,429.78 is: 28,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,196.78 : 51,331.92 = 20,429.78 : x
  2. Step 2: Convert to fraction form
    37,196.78/51,331.92 = 20,429.78/x
  3. Step 3: Cross multiply
    37,196.78x = 51,331.92 × 20,429.78
  4. Step 4: Simplify right side
    37,196.78x = 1,048,699,832.58
  5. Step 5: Solve for x
    x = 1,048,699,832.58/37,196.78
  6. Step 6: Final answer
    x = 28,193.30

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.