Home / 82,883.19-124,324.65-20,553.69

Finding the Fourth Proportional to 82,883.19, 124,324.65 and 20,553.69

Calculator

Solution

The fourth proportional to 82,883.19, 124,324.65 and 20,553.69 is: 30,830.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,883.19 : 124,324.65 = 20,553.69 : x
  2. Step 2: Convert to fraction form
    82,883.19/124,324.65 = 20,553.69/x
  3. Step 3: Cross multiply
    82,883.19x = 124,324.65 × 20,553.69
  4. Step 4: Simplify right side
    82,883.19x = 2,555,330,315.46
  5. Step 5: Solve for x
    x = 2,555,330,315.46/82,883.19
  6. Step 6: Final answer
    x = 30,830.50

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.