Home / 34,181.73-51,295.37-13,139.15

Finding the Fourth Proportional to 34,181.73, 51,295.37 and 13,139.15

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Solution

The fourth proportional to 34,181.73, 51,295.37 and 13,139.15 is: 19,717.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,181.73 : 51,295.37 = 13,139.15 : x
  2. Step 2: Convert to fraction form
    34,181.73/51,295.37 = 13,139.15/x
  3. Step 3: Cross multiply
    34,181.73x = 51,295.37 × 13,139.15
  4. Step 4: Simplify right side
    34,181.73x = 673,977,238.56
  5. Step 5: Solve for x
    x = 673,977,238.56/34,181.73
  6. Step 6: Final answer
    x = 19,717.47

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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.