Home / 29,917.76-41,287.80-17,986.64

Finding the Fourth Proportional to 29,917.76, 41,287.80 and 17,986.64

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Solution

The fourth proportional to 29,917.76, 41,287.80 and 17,986.64 is: 24,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,917.76 : 41,287.80 = 17,986.64 : x
  2. Step 2: Convert to fraction form
    29,917.76/41,287.80 = 17,986.64/x
  3. Step 3: Cross multiply
    29,917.76x = 41,287.80 × 17,986.64
  4. Step 4: Simplify right side
    29,917.76x = 742,628,794.99
  5. Step 5: Solve for x
    x = 742,628,794.99/29,917.76
  6. Step 6: Final answer
    x = 24,822.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.