Home / 36,074.78-49,785.52-20,159.32

Finding the Fourth Proportional to 36,074.78, 49,785.52 and 20,159.32

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Solution

The fourth proportional to 36,074.78, 49,785.52 and 20,159.32 is: 27,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,074.78 : 49,785.52 = 20,159.32 : x
  2. Step 2: Convert to fraction form
    36,074.78/49,785.52 = 20,159.32/x
  3. Step 3: Cross multiply
    36,074.78x = 49,785.52 × 20,159.32
  4. Step 4: Simplify right side
    36,074.78x = 1,003,642,229.05
  5. Step 5: Solve for x
    x = 1,003,642,229.05/36,074.78
  6. Step 6: Final answer
    x = 27,821.16

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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.