Home / 51,391.78-77,112.79-23,330.14

Finding the Fourth Proportional to 51,391.78, 77,112.79 and 23,330.14

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Solution

The fourth proportional to 51,391.78, 77,112.79 and 23,330.14 is: 35,006.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,391.78 : 77,112.79 = 23,330.14 : x
  2. Step 2: Convert to fraction form
    51,391.78/77,112.79 = 23,330.14/x
  3. Step 3: Cross multiply
    51,391.78x = 77,112.79 × 23,330.14
  4. Step 4: Simplify right side
    51,391.78x = 1,799,052,186.49
  5. Step 5: Solve for x
    x = 1,799,052,186.49/51,391.78
  6. Step 6: Final answer
    x = 35,006.61

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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.