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Finding the Fourth Proportional to 33,260.63, 49,912.81 and 12,484.13

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Solution

The fourth proportional to 33,260.63, 49,912.81 and 12,484.13 is: 18,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,260.63 : 49,912.81 = 12,484.13 : x
  2. Step 2: Convert to fraction form
    33,260.63/49,912.81 = 12,484.13/x
  3. Step 3: Cross multiply
    33,260.63x = 49,912.81 × 12,484.13
  4. Step 4: Simplify right side
    33,260.63x = 623,117,727.93
  5. Step 5: Solve for x
    x = 623,117,727.93/33,260.63
  6. Step 6: Final answer
    x = 18,734.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.