Home / 49,857.22-68,800.26-28,636.49

Finding the Fourth Proportional to 49,857.22, 68,800.26 and 28,636.49

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Solution

The fourth proportional to 49,857.22, 68,800.26 and 28,636.49 is: 39,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,857.22 : 68,800.26 = 28,636.49 : x
  2. Step 2: Convert to fraction form
    49,857.22/68,800.26 = 28,636.49/x
  3. Step 3: Cross multiply
    49,857.22x = 68,800.26 × 28,636.49
  4. Step 4: Simplify right side
    49,857.22x = 1,970,197,957.49
  5. Step 5: Solve for x
    x = 1,970,197,957.49/49,857.22
  6. Step 6: Final answer
    x = 39,516.80

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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.