Home / 30,311.55-41,830.83-16,883.91

Finding the Fourth Proportional to 30,311.55, 41,830.83 and 16,883.91

Calculator

Solution

The fourth proportional to 30,311.55, 41,830.83 and 16,883.91 is: 23,300.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311.55 : 41,830.83 = 16,883.91 : x
  2. Step 2: Convert to fraction form
    30,311.55/41,830.83 = 16,883.91/x
  3. Step 3: Cross multiply
    30,311.55x = 41,830.83 × 16,883.91
  4. Step 4: Simplify right side
    30,311.55x = 706,267,968.95
  5. Step 5: Solve for x
    x = 706,267,968.95/30,311.55
  6. Step 6: Final answer
    x = 23,300.29

Related Problems

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.