Home / 52,079.28-78,118.90-12,636.04

Finding the Fourth Proportional to 52,079.28, 78,118.90 and 12,636.04

Calculator

Solution

The fourth proportional to 52,079.28, 78,118.90 and 12,636.04 is: 18,954.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,079.28 : 78,118.90 = 12,636.04 : x
  2. Step 2: Convert to fraction form
    52,079.28/78,118.90 = 12,636.04/x
  3. Step 3: Cross multiply
    52,079.28x = 78,118.90 × 12,636.04
  4. Step 4: Simplify right side
    52,079.28x = 987,113,545.16
  5. Step 5: Solve for x
    x = 987,113,545.16/52,079.28
  6. Step 6: Final answer
    x = 18,954.06

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.