Home / 54,324.64-81,115.30-48,665.80

Finding the Fourth Proportional to 54,324.64, 81,115.30 and 48,665.80

Calculator

Solution

The fourth proportional to 54,324.64, 81,115.30 and 48,665.80 is: 72,665.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,324.64 : 81,115.30 = 48,665.80 : x
  2. Step 2: Convert to fraction form
    54,324.64/81,115.30 = 48,665.80/x
  3. Step 3: Cross multiply
    54,324.64x = 81,115.30 × 48,665.80
  4. Step 4: Simplify right side
    54,324.64x = 3,947,540,966.74
  5. Step 5: Solve for x
    x = 3,947,540,966.74/54,324.64
  6. Step 6: Final answer
    x = 72,665.75

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.