Home / 30,244.77-41,735.43-16,815.21

Finding the Fourth Proportional to 30,244.77, 41,735.43 and 16,815.21

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Solution

The fourth proportional to 30,244.77, 41,735.43 and 16,815.21 is: 23,203.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,244.77 : 41,735.43 = 16,815.21 : x
  2. Step 2: Convert to fraction form
    30,244.77/41,735.43 = 16,815.21/x
  3. Step 3: Cross multiply
    30,244.77x = 41,735.43 × 16,815.21
  4. Step 4: Simplify right side
    30,244.77x = 701,790,019.89
  5. Step 5: Solve for x
    x = 701,790,019.89/30,244.77
  6. Step 6: Final answer
    x = 23,203.68

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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.