Home / 38,266.86-57,408.48-11,973.54

Finding the Fourth Proportional to 38,266.86, 57,408.48 and 11,973.54

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Solution

The fourth proportional to 38,266.86, 57,408.48 and 11,973.54 is: 17,962.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,266.86 : 57,408.48 = 11,973.54 : x
  2. Step 2: Convert to fraction form
    38,266.86/57,408.48 = 11,973.54/x
  3. Step 3: Cross multiply
    38,266.86x = 57,408.48 × 11,973.54
  4. Step 4: Simplify right side
    38,266.86x = 687,382,731.62
  5. Step 5: Solve for x
    x = 687,382,731.62/38,266.86
  6. Step 6: Final answer
    x = 17,962.87

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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.