Home / 36,550.82-50,440.16-20,634.92

Finding the Fourth Proportional to 36,550.82, 50,440.16 and 20,634.92

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Solution

The fourth proportional to 36,550.82, 50,440.16 and 20,634.92 is: 28,476.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,550.82 : 50,440.16 = 20,634.92 : x
  2. Step 2: Convert to fraction form
    36,550.82/50,440.16 = 20,634.92/x
  3. Step 3: Cross multiply
    36,550.82x = 50,440.16 × 20,634.92
  4. Step 4: Simplify right side
    36,550.82x = 1,040,828,666.39
  5. Step 5: Solve for x
    x = 1,040,828,666.39/36,550.82
  6. Step 6: Final answer
    x = 28,476.21

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Half scale
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Double scale
Find fourth proportional to 36,551.82, 50,441.54 and 20,635.92
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.