Home / 30,615.14-42,248.88-17,186.42

Finding the Fourth Proportional to 30,615.14, 42,248.88 and 17,186.42

Calculator

Solution

The fourth proportional to 30,615.14, 42,248.88 and 17,186.42 is: 23,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,615.14 : 42,248.88 = 17,186.42 : x
  2. Step 2: Convert to fraction form
    30,615.14/42,248.88 = 17,186.42/x
  3. Step 3: Cross multiply
    30,615.14x = 42,248.88 × 17,186.42
  4. Step 4: Simplify right side
    30,615.14x = 726,107,015.90
  5. Step 5: Solve for x
    x = 726,107,015.90/30,615.14
  6. Step 6: Final answer
    x = 23,717.25

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.