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Finding the Fourth Proportional to 33,908.70, 46,792.14 and 18,800.49

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Solution

The fourth proportional to 33,908.70, 46,792.14 and 18,800.49 is: 25,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,908.70 : 46,792.14 = 18,800.49 : x
  2. Step 2: Convert to fraction form
    33,908.70/46,792.14 = 18,800.49/x
  3. Step 3: Cross multiply
    33,908.70x = 46,792.14 × 18,800.49
  4. Step 4: Simplify right side
    33,908.70x = 879,715,160.15
  5. Step 5: Solve for x
    x = 879,715,160.15/33,908.70
  6. Step 6: Final answer
    x = 25,943.64

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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.