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Finding the Fourth Proportional to 33,871.84, 50,800.08 and 11,983.84

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Solution

The fourth proportional to 33,871.84, 50,800.08 and 11,983.84 is: 17,973.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,871.84 : 50,800.08 = 11,983.84 : x
  2. Step 2: Convert to fraction form
    33,871.84/50,800.08 = 11,983.84/x
  3. Step 3: Cross multiply
    33,871.84x = 50,800.08 × 11,983.84
  4. Step 4: Simplify right side
    33,871.84x = 608,780,030.71
  5. Step 5: Solve for x
    x = 608,780,030.71/33,871.84
  6. Step 6: Final answer
    x = 17,973.04

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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.