Home / 38,212.07-57,329.48-18,236.55

Finding the Fourth Proportional to 38,212.07, 57,329.48 and 18,236.55

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Solution

The fourth proportional to 38,212.07, 57,329.48 and 18,236.55 is: 27,360.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,212.07 : 57,329.48 = 18,236.55 : x
  2. Step 2: Convert to fraction form
    38,212.07/57,329.48 = 18,236.55/x
  3. Step 3: Cross multiply
    38,212.07x = 57,329.48 × 18,236.55
  4. Step 4: Simplify right side
    38,212.07x = 1,045,491,974.09
  5. Step 5: Solve for x
    x = 1,045,491,974.09/38,212.07
  6. Step 6: Final answer
    x = 27,360.26

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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.