Home / 38,189.68-57,270.85-13,223.03

Finding the Fourth Proportional to 38,189.68, 57,270.85 and 13,223.03

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Solution

The fourth proportional to 38,189.68, 57,270.85 and 13,223.03 is: 19,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189.68 : 57,270.85 = 13,223.03 : x
  2. Step 2: Convert to fraction form
    38,189.68/57,270.85 = 13,223.03/x
  3. Step 3: Cross multiply
    38,189.68x = 57,270.85 × 13,223.03
  4. Step 4: Simplify right side
    38,189.68x = 757,293,848.26
  5. Step 5: Solve for x
    x = 757,293,848.26/38,189.68
  6. Step 6: Final answer
    x = 19,829.80

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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.