Home / 67,599.48-101,409-20,856

Finding the Fourth Proportional to 67,599.48, 101,409 and 20,856

Calculator

Solution

The fourth proportional to 67,599.48, 101,409 and 20,856 is: 31,287.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,599.48 : 101,409 = 20,856 : x
  2. Step 2: Convert to fraction form
    67,599.48/101,409 = 20,856/x
  3. Step 3: Cross multiply
    67,599.48x = 101,409 × 20,856
  4. Step 4: Simplify right side
    67,599.48x = 2,114,986,104
  5. Step 5: Solve for x
    x = 2,114,986,104/67,599.48
  6. Step 6: Final answer
    x = 31,287.02

Related Problems

Find fourth proportional to 33,799.74, 50,704.50 and 10,428
Half scale
Find fourth proportional to 135,198.96, 202,818 and 41,712
Double scale
Find fourth proportional to 67,600.48, 101,410.50 and 20,857
Similar ratio
Find fourth proportional to 101,399.22, 152,113.50 and 31,284
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.