Home / 38,536.62-57,806.12-10,456.56

Finding the Fourth Proportional to 38,536.62, 57,806.12 and 10,456.56

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Solution

The fourth proportional to 38,536.62, 57,806.12 and 10,456.56 is: 15,685.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,536.62 : 57,806.12 = 10,456.56 : x
  2. Step 2: Convert to fraction form
    38,536.62/57,806.12 = 10,456.56/x
  3. Step 3: Cross multiply
    38,536.62x = 57,806.12 × 10,456.56
  4. Step 4: Simplify right side
    38,536.62x = 604,453,162.15
  5. Step 5: Solve for x
    x = 604,453,162.15/38,536.62
  6. Step 6: Final answer
    x = 15,685.16

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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.