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Finding the Fourth Proportional to 33,276.84, 49,915.62 and 8,652.84

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Solution

The fourth proportional to 33,276.84, 49,915.62 and 8,652.84 is: 12,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,276.84 : 49,915.62 = 8,652.84 : x
  2. Step 2: Convert to fraction form
    33,276.84/49,915.62 = 8,652.84/x
  3. Step 3: Cross multiply
    33,276.84x = 49,915.62 × 8,652.84
  4. Step 4: Simplify right side
    33,276.84x = 431,911,873.36
  5. Step 5: Solve for x
    x = 431,911,873.36/33,276.84
  6. Step 6: Final answer
    x = 12,979.35

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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.