Home / 36,090.12-49,804.72-20,175.44

Finding the Fourth Proportional to 36,090.12, 49,804.72 and 20,175.44

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Solution

The fourth proportional to 36,090.12, 49,804.72 and 20,175.44 is: 27,842.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,090.12 : 49,804.72 = 20,175.44 : x
  2. Step 2: Convert to fraction form
    36,090.12/49,804.72 = 20,175.44/x
  3. Step 3: Cross multiply
    36,090.12x = 49,804.72 × 20,175.44
  4. Step 4: Simplify right side
    36,090.12x = 1,004,832,140.08
  5. Step 5: Solve for x
    x = 1,004,832,140.08/36,090.12
  6. Step 6: Final answer
    x = 27,842.31

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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.