Home / 75,616.32-113,415.84-20,216.64

Finding the Fourth Proportional to 75,616.32, 113,415.84 and 20,216.64

Calculator

Solution

The fourth proportional to 75,616.32, 113,415.84 and 20,216.64 is: 30,322.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,616.32 : 113,415.84 = 20,216.64 : x
  2. Step 2: Convert to fraction form
    75,616.32/113,415.84 = 20,216.64/x
  3. Step 3: Cross multiply
    75,616.32x = 113,415.84 × 20,216.64
  4. Step 4: Simplify right side
    75,616.32x = 2,292,887,207.58
  5. Step 5: Solve for x
    x = 2,292,887,207.58/75,616.32
  6. Step 6: Final answer
    x = 30,322.65

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.