Home / 38,076.48-57,126.72-18,356.64

Finding the Fourth Proportional to 38,076.48, 57,126.72 and 18,356.64

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Solution

The fourth proportional to 38,076.48, 57,126.72 and 18,356.64 is: 27,540.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,076.48 : 57,126.72 = 18,356.64 : x
  2. Step 2: Convert to fraction form
    38,076.48/57,126.72 = 18,356.64/x
  3. Step 3: Cross multiply
    38,076.48x = 57,126.72 × 18,356.64
  4. Step 4: Simplify right side
    38,076.48x = 1,048,654,633.42
  5. Step 5: Solve for x
    x = 1,048,654,633.42/38,076.48
  6. Step 6: Final answer
    x = 27,540.75

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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.