Home / 36,028.97-49,719.51-20,113.68

Finding the Fourth Proportional to 36,028.97, 49,719.51 and 20,113.68

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Solution

The fourth proportional to 36,028.97, 49,719.51 and 20,113.68 is: 27,756.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,028.97 : 49,719.51 = 20,113.68 : x
  2. Step 2: Convert to fraction form
    36,028.97/49,719.51 = 20,113.68/x
  3. Step 3: Cross multiply
    36,028.97x = 49,719.51 × 20,113.68
  4. Step 4: Simplify right side
    36,028.97x = 1,000,042,313.90
  5. Step 5: Solve for x
    x = 1,000,042,313.90/36,028.97
  6. Step 6: Final answer
    x = 27,756.62

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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.