Home / 34,080.75-51,125.78-11,890.87

Finding the Fourth Proportional to 34,080.75, 51,125.78 and 11,890.87

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Solution

The fourth proportional to 34,080.75, 51,125.78 and 11,890.87 is: 17,837.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,080.75 : 51,125.78 = 11,890.87 : x
  2. Step 2: Convert to fraction form
    34,080.75/51,125.78 = 11,890.87/x
  3. Step 3: Cross multiply
    34,080.75x = 51,125.78 × 11,890.87
  4. Step 4: Simplify right side
    34,080.75x = 607,929,905.54
  5. Step 5: Solve for x
    x = 607,929,905.54/34,080.75
  6. Step 6: Final answer
    x = 17,837.93

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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.