Home / 36,021.48-49,709.54-20,105.92

Finding the Fourth Proportional to 36,021.48, 49,709.54 and 20,105.92

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Solution

The fourth proportional to 36,021.48, 49,709.54 and 20,105.92 is: 27,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,021.48 : 49,709.54 = 20,105.92 : x
  2. Step 2: Convert to fraction form
    36,021.48/49,709.54 = 20,105.92/x
  3. Step 3: Cross multiply
    36,021.48x = 49,709.54 × 20,105.92
  4. Step 4: Simplify right side
    36,021.48x = 999,456,034.48
  5. Step 5: Solve for x
    x = 999,456,034.48/36,021.48
  6. Step 6: Final answer
    x = 27,746.11

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