Home / 35,578.64-49,099.44-19,663.28

Finding the Fourth Proportional to 35,578.64, 49,099.44 and 19,663.28

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Solution

The fourth proportional to 35,578.64, 49,099.44 and 19,663.28 is: 27,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,578.64 : 49,099.44 = 19,663.28 : x
  2. Step 2: Convert to fraction form
    35,578.64/49,099.44 = 19,663.28/x
  3. Step 3: Cross multiply
    35,578.64x = 49,099.44 × 19,663.28
  4. Step 4: Simplify right side
    35,578.64x = 965,456,036.56
  5. Step 5: Solve for x
    x = 965,456,036.56/35,578.64
  6. Step 6: Final answer
    x = 27,135.83

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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.