Home / 51,914.78-71,640.89-29,253.36

Finding the Fourth Proportional to 51,914.78, 71,640.89 and 29,253.36

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Solution

The fourth proportional to 51,914.78, 71,640.89 and 29,253.36 is: 40,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,914.78 : 71,640.89 = 29,253.36 : x
  2. Step 2: Convert to fraction form
    51,914.78/71,640.89 = 29,253.36/x
  3. Step 3: Cross multiply
    51,914.78x = 71,640.89 × 29,253.36
  4. Step 4: Simplify right side
    51,914.78x = 2,095,736,745.89
  5. Step 5: Solve for x
    x = 2,095,736,745.89/51,914.78
  6. Step 6: Final answer
    x = 40,368.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.