Home / 36,129.74-54,189.14-9,836.55

Finding the Fourth Proportional to 36,129.74, 54,189.14 and 9,836.55

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Solution

The fourth proportional to 36,129.74, 54,189.14 and 9,836.55 is: 14,753.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,129.74 : 54,189.14 = 9,836.55 : x
  2. Step 2: Convert to fraction form
    36,129.74/54,189.14 = 9,836.55/x
  3. Step 3: Cross multiply
    36,129.74x = 54,189.14 × 9,836.55
  4. Step 4: Simplify right side
    36,129.74x = 533,034,135.88
  5. Step 5: Solve for x
    x = 533,034,135.88/36,129.74
  6. Step 6: Final answer
    x = 14,753.34

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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.