Home / 50,875-70,213.98-28,519

Finding the Fourth Proportional to 50,875, 70,213.98 and 28,519

Calculator

Solution

The fourth proportional to 50,875, 70,213.98 and 28,519 is: 39,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,875 : 70,213.98 = 28,519 : x
  2. Step 2: Convert to fraction form
    50,875/70,213.98 = 28,519/x
  3. Step 3: Cross multiply
    50,875x = 70,213.98 × 28,519
  4. Step 4: Simplify right side
    50,875x = 2,002,432,495.62
  5. Step 5: Solve for x
    x = 2,002,432,495.62/50,875
  6. Step 6: Final answer
    x = 39,359.85

Related Problems

Find fourth proportional to 25,437.50, 35,106.99 and 14,259.50
Half scale
Find fourth proportional to 101,750, 140,427.96 and 57,038
Double scale
Find fourth proportional to 50,876, 70,215.36 and 28,520
Similar ratio
Find fourth proportional to 76,312.50, 105,320.97 and 42,778.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.