Home / 36,639.09-50,564.66-20,508.03

Finding the Fourth Proportional to 36,639.09, 50,564.66 and 20,508.03

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Solution

The fourth proportional to 36,639.09, 50,564.66 and 20,508.03 is: 28,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,639.09 : 50,564.66 = 20,508.03 : x
  2. Step 2: Convert to fraction form
    36,639.09/50,564.66 = 20,508.03/x
  3. Step 3: Cross multiply
    36,639.09x = 50,564.66 × 20,508.03
  4. Step 4: Simplify right side
    36,639.09x = 1,036,981,461.68
  5. Step 5: Solve for x
    x = 1,036,981,461.68/36,639.09
  6. Step 6: Final answer
    x = 28,302.60

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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.