Home / 33,920.21-50,882.75-8,960.01

Finding the Fourth Proportional to 33,920.21, 50,882.75 and 8,960.01

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Solution

The fourth proportional to 33,920.21, 50,882.75 and 8,960.01 is: 13,440.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,920.21 : 50,882.75 = 8,960.01 : x
  2. Step 2: Convert to fraction form
    33,920.21/50,882.75 = 8,960.01/x
  3. Step 3: Cross multiply
    33,920.21x = 50,882.75 × 8,960.01
  4. Step 4: Simplify right side
    33,920.21x = 455,909,948.83
  5. Step 5: Solve for x
    x = 455,909,948.83/33,920.21
  6. Step 6: Final answer
    x = 13,440.66

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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.