Home / 56,862-85,293-19,926

Finding the Fourth Proportional to 56,862, 85,293 and 19,926

Calculator

Solution

The fourth proportional to 56,862, 85,293 and 19,926 is: 29,889

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,862 : 85,293 = 19,926 : x
  2. Step 2: Convert to fraction form
    56,862/85,293 = 19,926/x
  3. Step 3: Cross multiply
    56,862x = 85,293 × 19,926
  4. Step 4: Simplify right side
    56,862x = 1,699,548,318
  5. Step 5: Solve for x
    x = 1,699,548,318/56,862
  6. Step 6: Final answer
    x = 29,889

Related Problems

Find fourth proportional to 28,431, 42,646.50 and 9,963
Half scale
Find fourth proportional to 113,724, 170,586 and 39,852
Double scale
Find fourth proportional to 56,863, 85,294.50 and 19,927
Similar ratio
Find fourth proportional to 85,293, 127,939.50 and 29,889
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.