Home / 57,716.70-86,599.35-31,440.30

Finding the Fourth Proportional to 57,716.70, 86,599.35 and 31,440.30

Calculator

Solution

The fourth proportional to 57,716.70, 86,599.35 and 31,440.30 is: 47,173.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,716.70 : 86,599.35 = 31,440.30 : x
  2. Step 2: Convert to fraction form
    57,716.70/86,599.35 = 31,440.30/x
  3. Step 3: Cross multiply
    57,716.70x = 86,599.35 × 31,440.30
  4. Step 4: Simplify right side
    57,716.70x = 2,722,709,543.81
  5. Step 5: Solve for x
    x = 2,722,709,543.81/57,716.70
  6. Step 6: Final answer
    x = 47,173.69

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.