Home / 38,365.90-57,552.23-11,717.91

Finding the Fourth Proportional to 38,365.90, 57,552.23 and 11,717.91

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Solution

The fourth proportional to 38,365.90, 57,552.23 and 11,717.91 is: 17,577.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,365.90 : 57,552.23 = 11,717.91 : x
  2. Step 2: Convert to fraction form
    38,365.90/57,552.23 = 11,717.91/x
  3. Step 3: Cross multiply
    38,365.90x = 57,552.23 × 11,717.91
  4. Step 4: Simplify right side
    38,365.90x = 674,391,505.09
  5. Step 5: Solve for x
    x = 674,391,505.09/38,365.90
  6. Step 6: Final answer
    x = 17,577.89

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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.