Home / 30,706.99-42,375.83-17,278.47

Finding the Fourth Proportional to 30,706.99, 42,375.83 and 17,278.47

Calculator

Solution

The fourth proportional to 30,706.99, 42,375.83 and 17,278.47 is: 23,844.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,706.99 : 42,375.83 = 17,278.47 : x
  2. Step 2: Convert to fraction form
    30,706.99/42,375.83 = 17,278.47/x
  3. Step 3: Cross multiply
    30,706.99x = 42,375.83 × 17,278.47
  4. Step 4: Simplify right side
    30,706.99x = 732,189,420.99
  5. Step 5: Solve for x
    x = 732,189,420.99/30,706.99
  6. Step 6: Final answer
    x = 23,844.39

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.