Home / 43,771.28-65,656.92-19,130

Finding the Fourth Proportional to 43,771.28, 65,656.92 and 19,130

Calculator

Solution

The fourth proportional to 43,771.28, 65,656.92 and 19,130 is: 28,695

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,771.28 : 65,656.92 = 19,130 : x
  2. Step 2: Convert to fraction form
    43,771.28/65,656.92 = 19,130/x
  3. Step 3: Cross multiply
    43,771.28x = 65,656.92 × 19,130
  4. Step 4: Simplify right side
    43,771.28x = 1,256,016,879.60
  5. Step 5: Solve for x
    x = 1,256,016,879.60/43,771.28
  6. Step 6: Final answer
    x = 28,695

Related Problems

Find fourth proportional to 21,885.64, 32,828.46 and 9,565
Half scale
Find fourth proportional to 87,542.56, 131,313.84 and 38,260
Double scale
Find fourth proportional to 43,772.28, 65,658.42 and 19,131
Similar ratio
Find fourth proportional to 65,656.92, 98,485.38 and 28,695
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.