Home / 36,490.12-54,728.46-16,764.60

Finding the Fourth Proportional to 36,490.12, 54,728.46 and 16,764.60

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Solution

The fourth proportional to 36,490.12, 54,728.46 and 16,764.60 is: 25,143.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,490.12 : 54,728.46 = 16,764.60 : x
  2. Step 2: Convert to fraction form
    36,490.12/54,728.46 = 16,764.60/x
  3. Step 3: Cross multiply
    36,490.12x = 54,728.46 × 16,764.60
  4. Step 4: Simplify right side
    36,490.12x = 917,500,740.52
  5. Step 5: Solve for x
    x = 917,500,740.52/36,490.12
  6. Step 6: Final answer
    x = 25,143.81

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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.