Home / 56,989.80-78,628.59-33,111.90

Finding the Fourth Proportional to 56,989.80, 78,628.59 and 33,111.90

Calculator

Solution

The fourth proportional to 56,989.80, 78,628.59 and 33,111.90 is: 45,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,989.80 : 78,628.59 = 33,111.90 : x
  2. Step 2: Convert to fraction form
    56,989.80/78,628.59 = 33,111.90/x
  3. Step 3: Cross multiply
    56,989.80x = 78,628.59 × 33,111.90
  4. Step 4: Simplify right side
    56,989.80x = 2,603,542,009.22
  5. Step 5: Solve for x
    x = 2,603,542,009.22/56,989.80
  6. Step 6: Final answer
    x = 45,684.35

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.