Home / 33,979.60-50,983.80-16,440.40

Finding the Fourth Proportional to 33,979.60, 50,983.80 and 16,440.40

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Solution

The fourth proportional to 33,979.60, 50,983.80 and 16,440.40 is: 24,667.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,979.60 : 50,983.80 = 16,440.40 : x
  2. Step 2: Convert to fraction form
    33,979.60/50,983.80 = 16,440.40/x
  3. Step 3: Cross multiply
    33,979.60x = 50,983.80 × 16,440.40
  4. Step 4: Simplify right side
    33,979.60x = 838,194,065.52
  5. Step 5: Solve for x
    x = 838,194,065.52/33,979.60
  6. Step 6: Final answer
    x = 24,667.57

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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.