Home / 54,756-82,134-17,820

Finding the Fourth Proportional to 54,756, 82,134 and 17,820

Calculator

Solution

The fourth proportional to 54,756, 82,134 and 17,820 is: 26,730

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,756 : 82,134 = 17,820 : x
  2. Step 2: Convert to fraction form
    54,756/82,134 = 17,820/x
  3. Step 3: Cross multiply
    54,756x = 82,134 × 17,820
  4. Step 4: Simplify right side
    54,756x = 1,463,627,880
  5. Step 5: Solve for x
    x = 1,463,627,880/54,756
  6. Step 6: Final answer
    x = 26,730

Related Problems

Find fourth proportional to 27,378, 41,067 and 8,910
Half scale
Find fourth proportional to 109,512, 164,268 and 35,640
Double scale
Find fourth proportional to 54,757, 82,135.50 and 17,821
Similar ratio
Find fourth proportional to 82,134, 123,201 and 26,730
1.5x scale

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.