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Finding the Fourth Proportional to 33,125.76, 49,700.79 and 15,364.89

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Solution

The fourth proportional to 33,125.76, 49,700.79 and 15,364.89 is: 23,052.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,125.76 : 49,700.79 = 15,364.89 : x
  2. Step 2: Convert to fraction form
    33,125.76/49,700.79 = 15,364.89/x
  3. Step 3: Cross multiply
    33,125.76x = 49,700.79 × 15,364.89
  4. Step 4: Simplify right side
    33,125.76x = 763,647,171.26
  5. Step 5: Solve for x
    x = 763,647,171.26/33,125.76
  6. Step 6: Final answer
    x = 23,052.97

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1.5x scale

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.