Home / 49,579.70-68,421.51-28,365.80

Finding the Fourth Proportional to 49,579.70, 68,421.51 and 28,365.80

Calculator

Solution

The fourth proportional to 49,579.70, 68,421.51 and 28,365.80 is: 39,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,579.70 : 68,421.51 = 28,365.80 : x
  2. Step 2: Convert to fraction form
    49,579.70/68,421.51 = 28,365.80/x
  3. Step 3: Cross multiply
    49,579.70x = 68,421.51 × 28,365.80
  4. Step 4: Simplify right side
    49,579.70x = 1,940,830,526.25
  5. Step 5: Solve for x
    x = 1,940,830,526.25/49,579.70
  6. Step 6: Final answer
    x = 39,145.67

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.