Home / 36,747.90-55,112.76-15,677.64

Finding the Fourth Proportional to 36,747.90, 55,112.76 and 15,677.64

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Solution

The fourth proportional to 36,747.90, 55,112.76 and 15,677.64 is: 23,512.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,747.90 : 55,112.76 = 15,677.64 : x
  2. Step 2: Convert to fraction form
    36,747.90/55,112.76 = 15,677.64/x
  3. Step 3: Cross multiply
    36,747.90x = 55,112.76 × 15,677.64
  4. Step 4: Simplify right side
    36,747.90x = 864,038,010.69
  5. Step 5: Solve for x
    x = 864,038,010.69/36,747.90
  6. Step 6: Final answer
    x = 23,512.58

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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.