Home / 55,851.72-83,789.92-18,410.28

Finding the Fourth Proportional to 55,851.72, 83,789.92 and 18,410.28

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Solution

The fourth proportional to 55,851.72, 83,789.92 and 18,410.28 is: 27,619.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,851.72 : 83,789.92 = 18,410.28 : x
  2. Step 2: Convert to fraction form
    55,851.72/83,789.92 = 18,410.28/x
  3. Step 3: Cross multiply
    55,851.72x = 83,789.92 × 18,410.28
  4. Step 4: Simplify right side
    55,851.72x = 1,542,595,888.38
  5. Step 5: Solve for x
    x = 1,542,595,888.38/55,851.72
  6. Step 6: Final answer
    x = 27,619.49

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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.