Home / 36,285.78-50,065.61-21,169.81

Finding the Fourth Proportional to 36,285.78, 50,065.61 and 21,169.81

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Solution

The fourth proportional to 36,285.78, 50,065.61 and 21,169.81 is: 29,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,285.78 : 50,065.61 = 21,169.81 : x
  2. Step 2: Convert to fraction form
    36,285.78/50,065.61 = 21,169.81/x
  3. Step 3: Cross multiply
    36,285.78x = 50,065.61 × 21,169.81
  4. Step 4: Simplify right side
    36,285.78x = 1,059,879,527.05
  5. Step 5: Solve for x
    x = 1,059,879,527.05/36,285.78
  6. Step 6: Final answer
    x = 29,209.23

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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.