Home / 31,529,860.12-43,511,187.72-17,043,172.12

Finding the Fourth Proportional to 31,529,860.12, 43,511,187.72 and 17,043,172.12

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Solution

The fourth proportional to 31,529,860.12, 43,511,187.72 and 17,043,172.12 is: 23,519,567.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,529,860.12 : 43,511,187.72 = 17,043,172.12 : x
  2. Step 2: Convert to fraction form
    31,529,860.12/43,511,187.72 = 17,043,172.12/x
  3. Step 3: Cross multiply
    31,529,860.12x = 43,511,187.72 × 17,043,172.12
  4. Step 4: Simplify right side
    31,529,860.12x = 741,568,661,457,590.38
  5. Step 5: Solve for x
    x = 741,568,661,457,590.38/31,529,860.12
  6. Step 6: Final answer
    x = 23,519,567.12

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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.