Home / 52,015.68-78,023.53-12,572.79

Finding the Fourth Proportional to 52,015.68, 78,023.53 and 12,572.79

Calculator

Solution

The fourth proportional to 52,015.68, 78,023.53 and 12,572.79 is: 18,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,015.68 : 78,023.53 = 12,572.79 : x
  2. Step 2: Convert to fraction form
    52,015.68/78,023.53 = 12,572.79/x
  3. Step 3: Cross multiply
    52,015.68x = 78,023.53 × 12,572.79
  4. Step 4: Simplify right side
    52,015.68x = 980,973,457.75
  5. Step 5: Solve for x
    x = 980,973,457.75/52,015.68
  6. Step 6: Final answer
    x = 18,859.19

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.