Home / 36,137.48-49,871.93-20,221.61

Finding the Fourth Proportional to 36,137.48, 49,871.93 and 20,221.61

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Solution

The fourth proportional to 36,137.48, 49,871.93 and 20,221.61 is: 27,907.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,137.48 : 49,871.93 = 20,221.61 : x
  2. Step 2: Convert to fraction form
    36,137.48/49,871.93 = 20,221.61/x
  3. Step 3: Cross multiply
    36,137.48x = 49,871.93 × 20,221.61
  4. Step 4: Simplify right side
    36,137.48x = 1,008,490,367.94
  5. Step 5: Solve for x
    x = 1,008,490,367.94/36,137.48
  6. Step 6: Final answer
    x = 27,907.05

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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.