Home / 57,203.32-78,936.60-31,709.44

Finding the Fourth Proportional to 57,203.32, 78,936.60 and 31,709.44

Calculator

Solution

The fourth proportional to 57,203.32, 78,936.60 and 31,709.44 is: 43,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,203.32 : 78,936.60 = 31,709.44 : x
  2. Step 2: Convert to fraction form
    57,203.32/78,936.60 = 31,709.44/x
  3. Step 3: Cross multiply
    57,203.32x = 78,936.60 × 31,709.44
  4. Step 4: Simplify right side
    57,203.32x = 2,503,035,381.50
  5. Step 5: Solve for x
    x = 2,503,035,381.50/57,203.32
  6. Step 6: Final answer
    x = 43,756.82

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.