Home / 30,800.30-42,504.43-16,653.14

Finding the Fourth Proportional to 30,800.30, 42,504.43 and 16,653.14

Calculator

Solution

The fourth proportional to 30,800.30, 42,504.43 and 16,653.14 is: 22,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,800.30 : 42,504.43 = 16,653.14 : x
  2. Step 2: Convert to fraction form
    30,800.30/42,504.43 = 16,653.14/x
  3. Step 3: Cross multiply
    30,800.30x = 42,504.43 × 16,653.14
  4. Step 4: Simplify right side
    30,800.30x = 707,832,398.96
  5. Step 5: Solve for x
    x = 707,832,398.96/30,800.30
  6. Step 6: Final answer
    x = 22,981.35

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.