Home / 41,391.72-57,096.36-30,048

Finding the Fourth Proportional to 41,391.72, 57,096.36 and 30,048

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Solution

The fourth proportional to 41,391.72, 57,096.36 and 30,048 is: 41,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,391.72 : 57,096.36 = 30,048 : x
  2. Step 2: Convert to fraction form
    41,391.72/57,096.36 = 30,048/x
  3. Step 3: Cross multiply
    41,391.72x = 57,096.36 × 30,048
  4. Step 4: Simplify right side
    41,391.72x = 1,715,631,425.28
  5. Step 5: Solve for x
    x = 1,715,631,425.28/41,391.72
  6. Step 6: Final answer
    x = 41,448.66

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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.