Home / 36,582.16-50,480.40-20,668

Finding the Fourth Proportional to 36,582.16, 50,480.40 and 20,668

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Solution

The fourth proportional to 36,582.16, 50,480.40 and 20,668 is: 28,520.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,582.16 : 50,480.40 = 20,668 : x
  2. Step 2: Convert to fraction form
    36,582.16/50,480.40 = 20,668/x
  3. Step 3: Cross multiply
    36,582.16x = 50,480.40 × 20,668
  4. Step 4: Simplify right side
    36,582.16x = 1,043,328,907.20
  5. Step 5: Solve for x
    x = 1,043,328,907.20/36,582.16
  6. Step 6: Final answer
    x = 28,520.16

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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.