Home / 38,212.09-57,315.42-10,131.52

Finding the Fourth Proportional to 38,212.09, 57,315.42 and 10,131.52

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Solution

The fourth proportional to 38,212.09, 57,315.42 and 10,131.52 is: 15,196.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,212.09 : 57,315.42 = 10,131.52 : x
  2. Step 2: Convert to fraction form
    38,212.09/57,315.42 = 10,131.52/x
  3. Step 3: Cross multiply
    38,212.09x = 57,315.42 × 10,131.52
  4. Step 4: Simplify right side
    38,212.09x = 580,692,324.04
  5. Step 5: Solve for x
    x = 580,692,324.04/38,212.09
  6. Step 6: Final answer
    x = 15,196.56

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1.5x scale

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.