Home / 36,840.44-55,221.32-21,011.39

Finding the Fourth Proportional to 36,840.44, 55,221.32 and 21,011.39

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Solution

The fourth proportional to 36,840.44, 55,221.32 and 21,011.39 is: 31,494.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,840.44 : 55,221.32 = 21,011.39 : x
  2. Step 2: Convert to fraction form
    36,840.44/55,221.32 = 21,011.39/x
  3. Step 3: Cross multiply
    36,840.44x = 55,221.32 × 21,011.39
  4. Step 4: Simplify right side
    36,840.44x = 1,160,276,516.75
  5. Step 5: Solve for x
    x = 1,160,276,516.75/36,840.44
  6. Step 6: Final answer
    x = 31,494.64

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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.