Home / 30,644.95-45,961.94-8,155.75

Finding the Fourth Proportional to 30,644.95, 45,961.94 and 8,155.75

Calculator

Solution

The fourth proportional to 30,644.95, 45,961.94 and 8,155.75 is: 12,232.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,644.95 : 45,961.94 = 8,155.75 : x
  2. Step 2: Convert to fraction form
    30,644.95/45,961.94 = 8,155.75/x
  3. Step 3: Cross multiply
    30,644.95x = 45,961.94 × 8,155.75
  4. Step 4: Simplify right side
    30,644.95x = 374,854,092.16
  5. Step 5: Solve for x
    x = 374,854,092.16/30,644.95
  6. Step 6: Final answer
    x = 12,232.17

Related Problems

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.