Home / 35,755.35-49,342.77-19,840.07

Finding the Fourth Proportional to 35,755.35, 49,342.77 and 19,840.07

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Solution

The fourth proportional to 35,755.35, 49,342.77 and 19,840.07 is: 27,379.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,755.35 : 49,342.77 = 19,840.07 : x
  2. Step 2: Convert to fraction form
    35,755.35/49,342.77 = 19,840.07/x
  3. Step 3: Cross multiply
    35,755.35x = 49,342.77 × 19,840.07
  4. Step 4: Simplify right side
    35,755.35x = 978,963,764.08
  5. Step 5: Solve for x
    x = 978,963,764.08/35,755.35
  6. Step 6: Final answer
    x = 27,379.50

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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.