Home / 30,872.04-42,603.30-16,724.85

Finding the Fourth Proportional to 30,872.04, 42,603.30 and 16,724.85

Calculator

Solution

The fourth proportional to 30,872.04, 42,603.30 and 16,724.85 is: 23,080.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,872.04 : 42,603.30 = 16,724.85 : x
  2. Step 2: Convert to fraction form
    30,872.04/42,603.30 = 16,724.85/x
  3. Step 3: Cross multiply
    30,872.04x = 42,603.30 × 16,724.85
  4. Step 4: Simplify right side
    30,872.04x = 712,533,802.01
  5. Step 5: Solve for x
    x = 712,533,802.01/30,872.04
  6. Step 6: Final answer
    x = 23,080.23

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.