Home / 36,718.18-50,673.09-20,805.73

Finding the Fourth Proportional to 36,718.18, 50,673.09 and 20,805.73

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Solution

The fourth proportional to 36,718.18, 50,673.09 and 20,805.73 is: 28,713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,718.18 : 50,673.09 = 20,805.73 : x
  2. Step 2: Convert to fraction form
    36,718.18/50,673.09 = 20,805.73/x
  3. Step 3: Cross multiply
    36,718.18x = 50,673.09 × 20,805.73
  4. Step 4: Simplify right side
    36,718.18x = 1,054,290,628.81
  5. Step 5: Solve for x
    x = 1,054,290,628.81/36,718.18
  6. Step 6: Final answer
    x = 28,713.04

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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.