Home / 30,625.59-42,262.25-18,708.87

Finding the Fourth Proportional to 30,625.59, 42,262.25 and 18,708.87

Calculator

Solution

The fourth proportional to 30,625.59, 42,262.25 and 18,708.87 is: 25,817.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,625.59 : 42,262.25 = 18,708.87 : x
  2. Step 2: Convert to fraction form
    30,625.59/42,262.25 = 18,708.87/x
  3. Step 3: Cross multiply
    30,625.59x = 42,262.25 × 18,708.87
  4. Step 4: Simplify right side
    30,625.59x = 790,678,847.61
  5. Step 5: Solve for x
    x = 790,678,847.61/30,625.59
  6. Step 6: Final answer
    x = 25,817.59

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.