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Finding the Fourth Proportional to 45,930.76, 68,902.62 and 16,339.84

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Solution

The fourth proportional to 45,930.76, 68,902.62 and 16,339.84 is: 24,512.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,930.76 : 68,902.62 = 16,339.84 : x
  2. Step 2: Convert to fraction form
    45,930.76/68,902.62 = 16,339.84/x
  3. Step 3: Cross multiply
    45,930.76x = 68,902.62 × 16,339.84
  4. Step 4: Simplify right side
    45,930.76x = 1,125,857,786.38
  5. Step 5: Solve for x
    x = 1,125,857,786.38/45,930.76
  6. Step 6: Final answer
    x = 24,512.07

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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.