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Finding the Fourth Proportional to 54,510, 75,230.04 and 30,313.38

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Solution

The fourth proportional to 54,510, 75,230.04 and 30,313.38 is: 41,835.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,510 : 75,230.04 = 30,313.38 : x
  2. Step 2: Convert to fraction form
    54,510/75,230.04 = 30,313.38/x
  3. Step 3: Cross multiply
    54,510x = 75,230.04 × 30,313.38
  4. Step 4: Simplify right side
    54,510x = 2,280,476,789.94
  5. Step 5: Solve for x
    x = 2,280,476,789.94/54,510
  6. Step 6: Final answer
    x = 41,835.93

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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.