Home / 36,782.15-55,099.38-31,135.64

Finding the Fourth Proportional to 36,782.15, 55,099.38 and 31,135.64

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Solution

The fourth proportional to 36,782.15, 55,099.38 and 31,135.64 is: 46,640.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,782.15 : 55,099.38 = 31,135.64 : x
  2. Step 2: Convert to fraction form
    36,782.15/55,099.38 = 31,135.64/x
  3. Step 3: Cross multiply
    36,782.15x = 55,099.38 × 31,135.64
  4. Step 4: Simplify right side
    36,782.15x = 1,715,554,459.90
  5. Step 5: Solve for x
    x = 1,715,554,459.90/36,782.15
  6. Step 6: Final answer
    x = 46,640.95

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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.