Home / 53,769.62-74,222.26-40,379.58

Finding the Fourth Proportional to 53,769.62, 74,222.26 and 40,379.58

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Solution

The fourth proportional to 53,769.62, 74,222.26 and 40,379.58 is: 55,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,769.62 : 74,222.26 = 40,379.58 : x
  2. Step 2: Convert to fraction form
    53,769.62/74,222.26 = 40,379.58/x
  3. Step 3: Cross multiply
    53,769.62x = 74,222.26 × 40,379.58
  4. Step 4: Simplify right side
    53,769.62x = 2,997,063,584.50
  5. Step 5: Solve for x
    x = 2,997,063,584.50/53,769.62
  6. Step 6: Final answer
    x = 55,738.97

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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.