Home / 70,584-105,876-21,336

Finding the Fourth Proportional to 70,584, 105,876 and 21,336

Calculator

Solution

The fourth proportional to 70,584, 105,876 and 21,336 is: 32,004

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,584 : 105,876 = 21,336 : x
  2. Step 2: Convert to fraction form
    70,584/105,876 = 21,336/x
  3. Step 3: Cross multiply
    70,584x = 105,876 × 21,336
  4. Step 4: Simplify right side
    70,584x = 2,258,970,336
  5. Step 5: Solve for x
    x = 2,258,970,336/70,584
  6. Step 6: Final answer
    x = 32,004

Related Problems

Find fourth proportional to 35,292, 52,938 and 10,668
Half scale
Find fourth proportional to 141,168, 211,752 and 42,672
Double scale
Find fourth proportional to 70,585, 105,877.50 and 21,337
Similar ratio
Find fourth proportional to 105,876, 158,814 and 32,004
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.