Home / 36,723.58-50,680.58-20,813.16

Finding the Fourth Proportional to 36,723.58, 50,680.58 and 20,813.16

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Solution

The fourth proportional to 36,723.58, 50,680.58 and 20,813.16 is: 28,723.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,723.58 : 50,680.58 = 20,813.16 : x
  2. Step 2: Convert to fraction form
    36,723.58/50,680.58 = 20,813.16/x
  3. Step 3: Cross multiply
    36,723.58x = 50,680.58 × 20,813.16
  4. Step 4: Simplify right side
    36,723.58x = 1,054,823,020.43
  5. Step 5: Solve for x
    x = 1,054,823,020.43/36,723.58
  6. Step 6: Final answer
    x = 28,723.32

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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.