Home / 43,187.88-64,759.68-19,794

Finding the Fourth Proportional to 43,187.88, 64,759.68 and 19,794

Calculator

Solution

The fourth proportional to 43,187.88, 64,759.68 and 19,794 is: 29,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,187.88 : 64,759.68 = 19,794 : x
  2. Step 2: Convert to fraction form
    43,187.88/64,759.68 = 19,794/x
  3. Step 3: Cross multiply
    43,187.88x = 64,759.68 × 19,794
  4. Step 4: Simplify right side
    43,187.88x = 1,281,853,105.92
  5. Step 5: Solve for x
    x = 1,281,853,105.92/43,187.88
  6. Step 6: Final answer
    x = 29,680.85

Related Problems

Find fourth proportional to 21,593.94, 32,379.84 and 9,897
Half scale
Find fourth proportional to 86,375.76, 129,519.36 and 39,588
Double scale
Find fourth proportional to 43,188.88, 64,761.18 and 19,795
Similar ratio
Find fourth proportional to 64,781.82, 97,139.52 and 29,691
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.