Home / 36,480.39-50,341.50-20,568.21

Finding the Fourth Proportional to 36,480.39, 50,341.50 and 20,568.21

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Solution

The fourth proportional to 36,480.39, 50,341.50 and 20,568.21 is: 28,383.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,480.39 : 50,341.50 = 20,568.21 : x
  2. Step 2: Convert to fraction form
    36,480.39/50,341.50 = 20,568.21/x
  3. Step 3: Cross multiply
    36,480.39x = 50,341.50 × 20,568.21
  4. Step 4: Simplify right side
    36,480.39x = 1,035,434,543.72
  5. Step 5: Solve for x
    x = 1,035,434,543.72/36,480.39
  6. Step 6: Final answer
    x = 28,383.32

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Half scale
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Double scale
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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.