Home / 47,646.16-65,742.24-28,784.32

Finding the Fourth Proportional to 47,646.16, 65,742.24 and 28,784.32

Calculator

Solution

The fourth proportional to 47,646.16, 65,742.24 and 28,784.32 is: 39,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,646.16 : 65,742.24 = 28,784.32 : x
  2. Step 2: Convert to fraction form
    47,646.16/65,742.24 = 28,784.32/x
  3. Step 3: Cross multiply
    47,646.16x = 65,742.24 × 28,784.32
  4. Step 4: Simplify right side
    47,646.16x = 1,892,345,673.68
  5. Step 5: Solve for x
    x = 1,892,345,673.68/47,646.16
  6. Step 6: Final answer
    x = 39,716.65

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.