Home / 30,028.11-41,440.39-17,283.23

Finding the Fourth Proportional to 30,028.11, 41,440.39 and 17,283.23

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Solution

The fourth proportional to 30,028.11, 41,440.39 and 17,283.23 is: 23,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,028.11 : 41,440.39 = 17,283.23 : x
  2. Step 2: Convert to fraction form
    30,028.11/41,440.39 = 17,283.23/x
  3. Step 3: Cross multiply
    30,028.11x = 41,440.39 × 17,283.23
  4. Step 4: Simplify right side
    30,028.11x = 716,223,791.66
  5. Step 5: Solve for x
    x = 716,223,791.66/30,028.11
  6. Step 6: Final answer
    x = 23,851.78

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Half scale
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Double scale
Find fourth proportional to 30,029.11, 41,441.77 and 17,284.23
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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.