Home / 30,028.29-41,443.16-17,281.21

Finding the Fourth Proportional to 30,028.29, 41,443.16 and 17,281.21

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Solution

The fourth proportional to 30,028.29, 41,443.16 and 17,281.21 is: 23,850.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,028.29 : 41,443.16 = 17,281.21 : x
  2. Step 2: Convert to fraction form
    30,028.29/41,443.16 = 17,281.21/x
  3. Step 3: Cross multiply
    30,028.29x = 41,443.16 × 17,281.21
  4. Step 4: Simplify right side
    30,028.29x = 716,187,951.02
  5. Step 5: Solve for x
    x = 716,187,951.02/30,028.29
  6. Step 6: Final answer
    x = 23,850.44

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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.