Home / 35,755.31-49,342.62-19,840.02

Finding the Fourth Proportional to 35,755.31, 49,342.62 and 19,840.02

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Solution

The fourth proportional to 35,755.31, 49,342.62 and 19,840.02 is: 27,379.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,755.31 : 49,342.62 = 19,840.02 : x
  2. Step 2: Convert to fraction form
    35,755.31/49,342.62 = 19,840.02/x
  3. Step 3: Cross multiply
    35,755.31x = 49,342.62 × 19,840.02
  4. Step 4: Simplify right side
    35,755.31x = 978,958,567.65
  5. Step 5: Solve for x
    x = 978,958,567.65/35,755.31
  6. Step 6: Final answer
    x = 27,379.39

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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.