Home / 30,805.13-42,512.57-17,376.11

Finding the Fourth Proportional to 30,805.13, 42,512.57 and 17,376.11

Calculator

Solution

The fourth proportional to 30,805.13, 42,512.57 and 17,376.11 is: 23,979.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,805.13 : 42,512.57 = 17,376.11 : x
  2. Step 2: Convert to fraction form
    30,805.13/42,512.57 = 17,376.11/x
  3. Step 3: Cross multiply
    30,805.13x = 42,512.57 × 17,376.11
  4. Step 4: Simplify right side
    30,805.13x = 738,702,793.26
  5. Step 5: Solve for x
    x = 738,702,793.26/30,805.13
  6. Step 6: Final answer
    x = 23,979.87

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.