Home / 36,718.22-50,671.01-20,805.71

Finding the Fourth Proportional to 36,718.22, 50,671.01 and 20,805.71

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Solution

The fourth proportional to 36,718.22, 50,671.01 and 20,805.71 is: 28,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,718.22 : 50,671.01 = 20,805.71 : x
  2. Step 2: Convert to fraction form
    36,718.22/50,671.01 = 20,805.71/x
  3. Step 3: Cross multiply
    36,718.22x = 50,671.01 × 20,805.71
  4. Step 4: Simplify right side
    36,718.22x = 1,054,245,982.08
  5. Step 5: Solve for x
    x = 1,054,245,982.08/36,718.22
  6. Step 6: Final answer
    x = 28,711.80

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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.