Home / 36,815.65-55,232.42-11,858.06

Finding the Fourth Proportional to 36,815.65, 55,232.42 and 11,858.06

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Solution

The fourth proportional to 36,815.65, 55,232.42 and 11,858.06 is: 17,789.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,815.65 : 55,232.42 = 11,858.06 : x
  2. Step 2: Convert to fraction form
    36,815.65/55,232.42 = 11,858.06/x
  3. Step 3: Cross multiply
    36,815.65x = 55,232.42 × 11,858.06
  4. Step 4: Simplify right side
    36,815.65x = 654,949,429.10
  5. Step 5: Solve for x
    x = 654,949,429.10/36,815.65
  6. Step 6: Final answer
    x = 17,789.97

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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.