Home / 40,190.14-55,464.61-22,284.77

Finding the Fourth Proportional to 40,190.14, 55,464.61 and 22,284.77

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Solution

The fourth proportional to 40,190.14, 55,464.61 and 22,284.77 is: 30,754.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,190.14 : 55,464.61 = 22,284.77 : x
  2. Step 2: Convert to fraction form
    40,190.14/55,464.61 = 22,284.77/x
  3. Step 3: Cross multiply
    40,190.14x = 55,464.61 × 22,284.77
  4. Step 4: Simplify right side
    40,190.14x = 1,236,015,743.95
  5. Step 5: Solve for x
    x = 1,236,015,743.95/40,190.14
  6. Step 6: Final answer
    x = 30,754.21

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.