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Finding the Fourth Proportional to 54,103.67, 74,661.67 and 30,230.54

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Solution

The fourth proportional to 54,103.67, 74,661.67 and 30,230.54 is: 41,717.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,103.67 : 74,661.67 = 30,230.54 : x
  2. Step 2: Convert to fraction form
    54,103.67/74,661.67 = 30,230.54/x
  3. Step 3: Cross multiply
    54,103.67x = 74,661.67 × 30,230.54
  4. Step 4: Simplify right side
    54,103.67x = 2,257,062,601.40
  5. Step 5: Solve for x
    x = 2,257,062,601.40/54,103.67
  6. Step 6: Final answer
    x = 41,717.37

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1.5x scale

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.