Home / 36,199.76-54,286.32-12,501.28

Finding the Fourth Proportional to 36,199.76, 54,286.32 and 12,501.28

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Solution

The fourth proportional to 36,199.76, 54,286.32 and 12,501.28 is: 18,747.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,199.76 : 54,286.32 = 12,501.28 : x
  2. Step 2: Convert to fraction form
    36,199.76/54,286.32 = 12,501.28/x
  3. Step 3: Cross multiply
    36,199.76x = 54,286.32 × 12,501.28
  4. Step 4: Simplify right side
    36,199.76x = 678,648,215.06
  5. Step 5: Solve for x
    x = 678,648,215.06/36,199.76
  6. Step 6: Final answer
    x = 18,747.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.