Home / 53,914.75-74,399.25-30,040.59

Finding the Fourth Proportional to 53,914.75, 74,399.25 and 30,040.59

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Solution

The fourth proportional to 53,914.75, 74,399.25 and 30,040.59 is: 41,454.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,914.75 : 74,399.25 = 30,040.59 : x
  2. Step 2: Convert to fraction form
    53,914.75/74,399.25 = 30,040.59/x
  3. Step 3: Cross multiply
    53,914.75x = 74,399.25 × 30,040.59
  4. Step 4: Simplify right side
    53,914.75x = 2,234,997,365.56
  5. Step 5: Solve for x
    x = 2,234,997,365.56/53,914.75
  6. Step 6: Final answer
    x = 41,454.28

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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.