Home / 33,920.16-50,882.68-8,959.88

Finding the Fourth Proportional to 33,920.16, 50,882.68 and 8,959.88

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Solution

The fourth proportional to 33,920.16, 50,882.68 and 8,959.88 is: 13,440.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,920.16 : 50,882.68 = 8,959.88 : x
  2. Step 2: Convert to fraction form
    33,920.16/50,882.68 = 8,959.88/x
  3. Step 3: Cross multiply
    33,920.16x = 50,882.68 × 8,959.88
  4. Step 4: Simplify right side
    33,920.16x = 455,902,820.09
  5. Step 5: Solve for x
    x = 455,902,820.09/33,920.16
  6. Step 6: Final answer
    x = 13,440.47

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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.