Home / 75,831.95-113,817.86-38,418.30

Finding the Fourth Proportional to 75,831.95, 113,817.86 and 38,418.30

Calculator

Solution

The fourth proportional to 75,831.95, 113,817.86 and 38,418.30 is: 57,662.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,831.95 : 113,817.86 = 38,418.30 : x
  2. Step 2: Convert to fraction form
    75,831.95/113,817.86 = 38,418.30/x
  3. Step 3: Cross multiply
    75,831.95x = 113,817.86 × 38,418.30
  4. Step 4: Simplify right side
    75,831.95x = 4,372,688,642.82
  5. Step 5: Solve for x
    x = 4,372,688,642.82/75,831.95
  6. Step 6: Final answer
    x = 57,662.88

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.