Home / 36,112.15-49,830.39-19,978.37

Finding the Fourth Proportional to 36,112.15, 49,830.39 and 19,978.37

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Solution

The fourth proportional to 36,112.15, 49,830.39 and 19,978.37 is: 27,567.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,112.15 : 49,830.39 = 19,978.37 : x
  2. Step 2: Convert to fraction form
    36,112.15/49,830.39 = 19,978.37/x
  3. Step 3: Cross multiply
    36,112.15x = 49,830.39 × 19,978.37
  4. Step 4: Simplify right side
    36,112.15x = 995,529,968.66
  5. Step 5: Solve for x
    x = 995,529,968.66/36,112.15
  6. Step 6: Final answer
    x = 27,567.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.