Home / 36,212.73-49,971.49-20,078.74

Finding the Fourth Proportional to 36,212.73, 49,971.49 and 20,078.74

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Solution

The fourth proportional to 36,212.73, 49,971.49 and 20,078.74 is: 27,707.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,212.73 : 49,971.49 = 20,078.74 : x
  2. Step 2: Convert to fraction form
    36,212.73/49,971.49 = 20,078.74/x
  3. Step 3: Cross multiply
    36,212.73x = 49,971.49 × 20,078.74
  4. Step 4: Simplify right side
    36,212.73x = 1,003,364,555.12
  5. Step 5: Solve for x
    x = 1,003,364,555.12/36,212.73
  6. Step 6: Final answer
    x = 27,707.51

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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.