Home / 67,291.56-92,841.80-38,991.78

Finding the Fourth Proportional to 67,291.56, 92,841.80 and 38,991.78

Calculator

Solution

The fourth proportional to 67,291.56, 92,841.80 and 38,991.78 is: 53,796.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,291.56 : 92,841.80 = 38,991.78 : x
  2. Step 2: Convert to fraction form
    67,291.56/92,841.80 = 38,991.78/x
  3. Step 3: Cross multiply
    67,291.56x = 92,841.80 × 38,991.78
  4. Step 4: Simplify right side
    67,291.56x = 3,620,066,845.45
  5. Step 5: Solve for x
    x = 3,620,066,845.45/67,291.56
  6. Step 6: Final answer
    x = 53,796.74

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.