Home / 36,553.37-50,443.22-20,638.49

Finding the Fourth Proportional to 36,553.37, 50,443.22 and 20,638.49

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Solution

The fourth proportional to 36,553.37, 50,443.22 and 20,638.49 is: 28,480.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,553.37 : 50,443.22 = 20,638.49 : x
  2. Step 2: Convert to fraction form
    36,553.37/50,443.22 = 20,638.49/x
  3. Step 3: Cross multiply
    36,553.37x = 50,443.22 × 20,638.49
  4. Step 4: Simplify right side
    36,553.37x = 1,041,071,788.35
  5. Step 5: Solve for x
    x = 1,041,071,788.35/36,553.37
  6. Step 6: Final answer
    x = 28,480.87

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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.