Home / 53,640.93-73,979.82-40,241.91

Finding the Fourth Proportional to 53,640.93, 73,979.82 and 40,241.91

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Solution

The fourth proportional to 53,640.93, 73,979.82 and 40,241.91 is: 55,500.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,640.93 : 73,979.82 = 40,241.91 : x
  2. Step 2: Convert to fraction form
    53,640.93/73,979.82 = 40,241.91/x
  3. Step 3: Cross multiply
    53,640.93x = 73,979.82 × 40,241.91
  4. Step 4: Simplify right side
    53,640.93x = 2,977,089,258.26
  5. Step 5: Solve for x
    x = 2,977,089,258.26/53,640.93
  6. Step 6: Final answer
    x = 55,500.33

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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.