Home / 29,238.80-43,788.56-18,676.08

Finding the Fourth Proportional to 29,238.80, 43,788.56 and 18,676.08

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Solution

The fourth proportional to 29,238.80, 43,788.56 and 18,676.08 is: 27,969.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,238.80 : 43,788.56 = 18,676.08 : x
  2. Step 2: Convert to fraction form
    29,238.80/43,788.56 = 18,676.08/x
  3. Step 3: Cross multiply
    29,238.80x = 43,788.56 × 18,676.08
  4. Step 4: Simplify right side
    29,238.80x = 817,798,556.26
  5. Step 5: Solve for x
    x = 817,798,556.26/29,238.80
  6. Step 6: Final answer
    x = 27,969.64

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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.