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Finding the Fourth Proportional to 30,284.39, 41,792.03 and 16,855.65

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Solution

The fourth proportional to 30,284.39, 41,792.03 and 16,855.65 is: 23,260.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,284.39 : 41,792.03 = 16,855.65 : x
  2. Step 2: Convert to fraction form
    30,284.39/41,792.03 = 16,855.65/x
  3. Step 3: Cross multiply
    30,284.39x = 41,792.03 × 16,855.65
  4. Step 4: Simplify right side
    30,284.39x = 704,431,663.65
  5. Step 5: Solve for x
    x = 704,431,663.65/30,284.39
  6. Step 6: Final answer
    x = 23,260.56

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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.