Home / 30,958.44-42,722.73-16,811.34

Finding the Fourth Proportional to 30,958.44, 42,722.73 and 16,811.34

Calculator

Solution

The fourth proportional to 30,958.44, 42,722.73 and 16,811.34 is: 23,199.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,958.44 : 42,722.73 = 16,811.34 : x
  2. Step 2: Convert to fraction form
    30,958.44/42,722.73 = 16,811.34/x
  3. Step 3: Cross multiply
    30,958.44x = 42,722.73 × 16,811.34
  4. Step 4: Simplify right side
    30,958.44x = 718,226,339.76
  5. Step 5: Solve for x
    x = 718,226,339.76/30,958.44
  6. Step 6: Final answer
    x = 23,199.69

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.