Home / 50,978.17-70,347.89-28,318.60

Finding the Fourth Proportional to 50,978.17, 70,347.89 and 28,318.60

Calculator

Solution

The fourth proportional to 50,978.17, 70,347.89 and 28,318.60 is: 39,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,978.17 : 70,347.89 = 28,318.60 : x
  2. Step 2: Convert to fraction form
    50,978.17/70,347.89 = 28,318.60/x
  3. Step 3: Cross multiply
    50,978.17x = 70,347.89 × 28,318.60
  4. Step 4: Simplify right side
    50,978.17x = 1,992,153,757.75
  5. Step 5: Solve for x
    x = 1,992,153,757.75/50,978.17
  6. Step 6: Final answer
    x = 39,078.57

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.