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Finding the Fourth Proportional to 33,953.70, 46,855.86 and 18,845.84

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Solution

The fourth proportional to 33,953.70, 46,855.86 and 18,845.84 is: 26,007.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,953.70 : 46,855.86 = 18,845.84 : x
  2. Step 2: Convert to fraction form
    33,953.70/46,855.86 = 18,845.84/x
  3. Step 3: Cross multiply
    33,953.70x = 46,855.86 × 18,845.84
  4. Step 4: Simplify right side
    33,953.70x = 883,038,040.62
  5. Step 5: Solve for x
    x = 883,038,040.62/33,953.70
  6. Step 6: Final answer
    x = 26,007.12

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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.