Home / 36,564.64-50,459.20-20,650.16

Finding the Fourth Proportional to 36,564.64, 50,459.20 and 20,650.16

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Solution

The fourth proportional to 36,564.64, 50,459.20 and 20,650.16 is: 28,497.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,564.64 : 50,459.20 = 20,650.16 : x
  2. Step 2: Convert to fraction form
    36,564.64/50,459.20 = 20,650.16/x
  3. Step 3: Cross multiply
    36,564.64x = 50,459.20 × 20,650.16
  4. Step 4: Simplify right side
    36,564.64x = 1,041,990,553.47
  5. Step 5: Solve for x
    x = 1,041,990,553.47/36,564.64
  6. Step 6: Final answer
    x = 28,497.22

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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.