Home / 36,103.08-49,819.95-20,187.39

Finding the Fourth Proportional to 36,103.08, 49,819.95 and 20,187.39

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Solution

The fourth proportional to 36,103.08, 49,819.95 and 20,187.39 is: 27,857.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,103.08 : 49,819.95 = 20,187.39 : x
  2. Step 2: Convert to fraction form
    36,103.08/49,819.95 = 20,187.39/x
  3. Step 3: Cross multiply
    36,103.08x = 49,819.95 × 20,187.39
  4. Step 4: Simplify right side
    36,103.08x = 1,005,734,760.43
  5. Step 5: Solve for x
    x = 1,005,734,760.43/36,103.08
  6. Step 6: Final answer
    x = 27,857.31

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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.