Home / 38,481.16-57,663.34-28,574.04

Finding the Fourth Proportional to 38,481.16, 57,663.34 and 28,574.04

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Solution

The fourth proportional to 38,481.16, 57,663.34 and 28,574.04 is: 42,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481.16 : 57,663.34 = 28,574.04 : x
  2. Step 2: Convert to fraction form
    38,481.16/57,663.34 = 28,574.04/x
  3. Step 3: Cross multiply
    38,481.16x = 57,663.34 × 28,574.04
  4. Step 4: Simplify right side
    38,481.16x = 1,647,674,583.69
  5. Step 5: Solve for x
    x = 1,647,674,583.69/38,481.16
  6. Step 6: Final answer
    x = 42,817.70

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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.