Home / 38,142.48-57,190.56-17,078.52

Finding the Fourth Proportional to 38,142.48, 57,190.56 and 17,078.52

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Solution

The fourth proportional to 38,142.48, 57,190.56 and 17,078.52 is: 25,607.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,142.48 : 57,190.56 = 17,078.52 : x
  2. Step 2: Convert to fraction form
    38,142.48/57,190.56 = 17,078.52/x
  3. Step 3: Cross multiply
    38,142.48x = 57,190.56 × 17,078.52
  4. Step 4: Simplify right side
    38,142.48x = 976,730,122.77
  5. Step 5: Solve for x
    x = 976,730,122.77/38,142.48
  6. Step 6: Final answer
    x = 25,607.41

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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.