Home / 35,917.47-49,570.64-21,768.51

Finding the Fourth Proportional to 35,917.47, 49,570.64 and 21,768.51

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Solution

The fourth proportional to 35,917.47, 49,570.64 and 21,768.51 is: 30,043.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,917.47 : 49,570.64 = 21,768.51 : x
  2. Step 2: Convert to fraction form
    35,917.47/49,570.64 = 21,768.51/x
  3. Step 3: Cross multiply
    35,917.47x = 49,570.64 × 21,768.51
  4. Step 4: Simplify right side
    35,917.47x = 1,079,078,863.70
  5. Step 5: Solve for x
    x = 1,079,078,863.70/35,917.47
  6. Step 6: Final answer
    x = 30,043.29

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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.