Home / 38,102.82-57,159.09-11,809.14

Finding the Fourth Proportional to 38,102.82, 57,159.09 and 11,809.14

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Solution

The fourth proportional to 38,102.82, 57,159.09 and 11,809.14 is: 17,715.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,102.82 : 57,159.09 = 11,809.14 : x
  2. Step 2: Convert to fraction form
    38,102.82/57,159.09 = 11,809.14/x
  3. Step 3: Cross multiply
    38,102.82x = 57,159.09 × 11,809.14
  4. Step 4: Simplify right side
    38,102.82x = 674,999,696.08
  5. Step 5: Solve for x
    x = 674,999,696.08/38,102.82
  6. Step 6: Final answer
    x = 17,715.22

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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.