Home / 36,840.22-55,271.11-11,879.77

Finding the Fourth Proportional to 36,840.22, 55,271.11 and 11,879.77

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Solution

The fourth proportional to 36,840.22, 55,271.11 and 11,879.77 is: 17,823.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,840.22 : 55,271.11 = 11,879.77 : x
  2. Step 2: Convert to fraction form
    36,840.22/55,271.11 = 11,879.77/x
  3. Step 3: Cross multiply
    36,840.22x = 55,271.11 × 11,879.77
  4. Step 4: Simplify right side
    36,840.22x = 656,607,798.09
  5. Step 5: Solve for x
    x = 656,607,798.09/36,840.22
  6. Step 6: Final answer
    x = 17,823.12

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1.5x scale

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.