Home / 50,854-76,281-13,918

Finding the Fourth Proportional to 50,854, 76,281 and 13,918

Calculator

Solution

The fourth proportional to 50,854, 76,281 and 13,918 is: 20,877

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,854 : 76,281 = 13,918 : x
  2. Step 2: Convert to fraction form
    50,854/76,281 = 13,918/x
  3. Step 3: Cross multiply
    50,854x = 76,281 × 13,918
  4. Step 4: Simplify right side
    50,854x = 1,061,678,958
  5. Step 5: Solve for x
    x = 1,061,678,958/50,854
  6. Step 6: Final answer
    x = 20,877

Related Problems

Find fourth proportional to 25,427, 38,140.50 and 6,959
Half scale
Find fourth proportional to 101,708, 152,562 and 27,836
Double scale
Find fourth proportional to 50,855, 76,282.50 and 13,919
Similar ratio
Find fourth proportional to 76,281, 114,421.50 and 20,877
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.