Home / 50,146-75,219-13,210

Finding the Fourth Proportional to 50,146, 75,219 and 13,210

Calculator

Solution

The fourth proportional to 50,146, 75,219 and 13,210 is: 19,815

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,146 : 75,219 = 13,210 : x
  2. Step 2: Convert to fraction form
    50,146/75,219 = 13,210/x
  3. Step 3: Cross multiply
    50,146x = 75,219 × 13,210
  4. Step 4: Simplify right side
    50,146x = 993,642,990
  5. Step 5: Solve for x
    x = 993,642,990/50,146
  6. Step 6: Final answer
    x = 19,815

Related Problems

Find fourth proportional to 25,073, 37,609.50 and 6,605
Half scale
Find fourth proportional to 100,292, 150,438 and 26,420
Double scale
Find fourth proportional to 50,147, 75,220.50 and 13,211
Similar ratio
Find fourth proportional to 75,219, 112,828.50 and 19,815
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.