Home / 51,262.69-76,896.36-15,721.41

Finding the Fourth Proportional to 51,262.69, 76,896.36 and 15,721.41

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Solution

The fourth proportional to 51,262.69, 76,896.36 and 15,721.41 is: 23,582.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,262.69 : 76,896.36 = 15,721.41 : x
  2. Step 2: Convert to fraction form
    51,262.69/76,896.36 = 15,721.41/x
  3. Step 3: Cross multiply
    51,262.69x = 76,896.36 × 15,721.41
  4. Step 4: Simplify right side
    51,262.69x = 1,208,919,203.07
  5. Step 5: Solve for x
    x = 1,208,919,203.07/51,262.69
  6. Step 6: Final answer
    x = 23,582.83

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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.