Home / 38,172.96-57,231.76-25,661.95

Finding the Fourth Proportional to 38,172.96, 57,231.76 and 25,661.95

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Solution

The fourth proportional to 38,172.96, 57,231.76 and 25,661.95 is: 38,474.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,172.96 : 57,231.76 = 25,661.95 : x
  2. Step 2: Convert to fraction form
    38,172.96/57,231.76 = 25,661.95/x
  3. Step 3: Cross multiply
    38,172.96x = 57,231.76 × 25,661.95
  4. Step 4: Simplify right side
    38,172.96x = 1,468,678,435.22
  5. Step 5: Solve for x
    x = 1,468,678,435.22/38,172.96
  6. Step 6: Final answer
    x = 38,474.31

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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.