Home / 39,791.25-54,904.64-29,206.17

Finding the Fourth Proportional to 39,791.25, 54,904.64 and 29,206.17

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Solution

The fourth proportional to 39,791.25, 54,904.64 and 29,206.17 is: 40,299.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,791.25 : 54,904.64 = 29,206.17 : x
  2. Step 2: Convert to fraction form
    39,791.25/54,904.64 = 29,206.17/x
  3. Step 3: Cross multiply
    39,791.25x = 54,904.64 × 29,206.17
  4. Step 4: Simplify right side
    39,791.25x = 1,603,554,103.60
  5. Step 5: Solve for x
    x = 1,603,554,103.60/39,791.25
  6. Step 6: Final answer
    x = 40,299.16

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1.5x scale

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.