Home / 38,192.98-57,266.37-17,129.20

Finding the Fourth Proportional to 38,192.98, 57,266.37 and 17,129.20

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Solution

The fourth proportional to 38,192.98, 57,266.37 and 17,129.20 is: 25,683.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,192.98 : 57,266.37 = 17,129.20 : x
  2. Step 2: Convert to fraction form
    38,192.98/57,266.37 = 17,129.20/x
  3. Step 3: Cross multiply
    38,192.98x = 57,266.37 × 17,129.20
  4. Step 4: Simplify right side
    38,192.98x = 980,927,105.00
  5. Step 5: Solve for x
    x = 980,927,105.00/38,192.98
  6. Step 6: Final answer
    x = 25,683.44

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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.