Home / 34,098.69-51,147.91-15,356.78

Finding the Fourth Proportional to 34,098.69, 51,147.91 and 15,356.78

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Solution

The fourth proportional to 34,098.69, 51,147.91 and 15,356.78 is: 23,035.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,098.69 : 51,147.91 = 15,356.78 : x
  2. Step 2: Convert to fraction form
    34,098.69/51,147.91 = 15,356.78/x
  3. Step 3: Cross multiply
    34,098.69x = 51,147.91 × 15,356.78
  4. Step 4: Simplify right side
    34,098.69x = 785,467,201.33
  5. Step 5: Solve for x
    x = 785,467,201.33/34,098.69
  6. Step 6: Final answer
    x = 23,035.11

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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.