Home / 32,920.45-49,380.17-7,960.33

Finding the Fourth Proportional to 32,920.45, 49,380.17 and 7,960.33

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Solution

The fourth proportional to 32,920.45, 49,380.17 and 7,960.33 is: 11,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,920.45 : 49,380.17 = 7,960.33 : x
  2. Step 2: Convert to fraction form
    32,920.45/49,380.17 = 7,960.33/x
  3. Step 3: Cross multiply
    32,920.45x = 49,380.17 × 7,960.33
  4. Step 4: Simplify right side
    32,920.45x = 393,082,345.11
  5. Step 5: Solve for x
    x = 393,082,345.11/32,920.45
  6. Step 6: Final answer
    x = 11,940.37

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Half scale
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Double scale
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Similar ratio
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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.