Home / 45,100.57-67,657.34-13,938.25

Finding the Fourth Proportional to 45,100.57, 67,657.34 and 13,938.25

Calculator

Solution

The fourth proportional to 45,100.57, 67,657.34 and 13,938.25 is: 20,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,100.57 : 67,657.34 = 13,938.25 : x
  2. Step 2: Convert to fraction form
    45,100.57/67,657.34 = 13,938.25/x
  3. Step 3: Cross multiply
    45,100.57x = 67,657.34 × 13,938.25
  4. Step 4: Simplify right side
    45,100.57x = 943,024,919.26
  5. Step 5: Solve for x
    x = 943,024,919.26/45,100.57
  6. Step 6: Final answer
    x = 20,909.38

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.