Home / 39,860.26-54,969.69-29,811.94

Finding the Fourth Proportional to 39,860.26, 54,969.69 and 29,811.94

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Solution

The fourth proportional to 39,860.26, 54,969.69 and 29,811.94 is: 41,112.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,860.26 : 54,969.69 = 29,811.94 : x
  2. Step 2: Convert to fraction form
    39,860.26/54,969.69 = 29,811.94/x
  3. Step 3: Cross multiply
    39,860.26x = 54,969.69 × 29,811.94
  4. Step 4: Simplify right side
    39,860.26x = 1,638,753,100.10
  5. Step 5: Solve for x
    x = 1,638,753,100.10/39,860.26
  6. Step 6: Final answer
    x = 41,112.45

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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.