Home / 38,376.12-57,564.19-11,721.03

Finding the Fourth Proportional to 38,376.12, 57,564.19 and 11,721.03

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Solution

The fourth proportional to 38,376.12, 57,564.19 and 11,721.03 is: 17,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,376.12 : 57,564.19 = 11,721.03 : x
  2. Step 2: Convert to fraction form
    38,376.12/57,564.19 = 11,721.03/x
  3. Step 3: Cross multiply
    38,376.12x = 57,564.19 × 11,721.03
  4. Step 4: Simplify right side
    38,376.12x = 674,711,816.47
  5. Step 5: Solve for x
    x = 674,711,816.47/38,376.12
  6. Step 6: Final answer
    x = 17,581.55

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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.