Home / 32,890.14-49,313.52-11,819.61

Finding the Fourth Proportional to 32,890.14, 49,313.52 and 11,819.61

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Solution

The fourth proportional to 32,890.14, 49,313.52 and 11,819.61 is: 17,721.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,890.14 : 49,313.52 = 11,819.61 : x
  2. Step 2: Convert to fraction form
    32,890.14/49,313.52 = 11,819.61/x
  3. Step 3: Cross multiply
    32,890.14x = 49,313.52 × 11,819.61
  4. Step 4: Simplify right side
    32,890.14x = 582,866,574.13
  5. Step 5: Solve for x
    x = 582,866,574.13/32,890.14
  6. Step 6: Final answer
    x = 17,721.62

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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.