Home / 39,213.65-54,115.14-21,308.75

Finding the Fourth Proportional to 39,213.65, 54,115.14 and 21,308.75

Calculator

Solution

The fourth proportional to 39,213.65, 54,115.14 and 21,308.75 is: 29,406.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,213.65 : 54,115.14 = 21,308.75 : x
  2. Step 2: Convert to fraction form
    39,213.65/54,115.14 = 21,308.75/x
  3. Step 3: Cross multiply
    39,213.65x = 54,115.14 × 21,308.75
  4. Step 4: Simplify right side
    39,213.65x = 1,153,126,186.27
  5. Step 5: Solve for x
    x = 1,153,126,186.27/39,213.65
  6. Step 6: Final answer
    x = 29,406.24

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.