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Finding the Fourth Proportional to 33,716, 46,528.08 and 18,812

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Solution

The fourth proportional to 33,716, 46,528.08 and 18,812 is: 25,960.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,716 : 46,528.08 = 18,812 : x
  2. Step 2: Convert to fraction form
    33,716/46,528.08 = 18,812/x
  3. Step 3: Cross multiply
    33,716x = 46,528.08 × 18,812
  4. Step 4: Simplify right side
    33,716x = 875,286,240.96
  5. Step 5: Solve for x
    x = 875,286,240.96/33,716
  6. Step 6: Final answer
    x = 25,960.56

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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.