Home / 38,147.67-57,231.90-18,426.24

Finding the Fourth Proportional to 38,147.67, 57,231.90 and 18,426.24

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Solution

The fourth proportional to 38,147.67, 57,231.90 and 18,426.24 is: 27,644.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,147.67 : 57,231.90 = 18,426.24 : x
  2. Step 2: Convert to fraction form
    38,147.67/57,231.90 = 18,426.24/x
  3. Step 3: Cross multiply
    38,147.67x = 57,231.90 × 18,426.24
  4. Step 4: Simplify right side
    38,147.67x = 1,054,568,725.06
  5. Step 5: Solve for x
    x = 1,054,568,725.06/38,147.67
  6. Step 6: Final answer
    x = 27,644.38

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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.