Home / 35,754.09-49,338.36-19,838.51

Finding the Fourth Proportional to 35,754.09, 49,338.36 and 19,838.51

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Solution

The fourth proportional to 35,754.09, 49,338.36 and 19,838.51 is: 27,375.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,754.09 : 49,338.36 = 19,838.51 : x
  2. Step 2: Convert to fraction form
    35,754.09/49,338.36 = 19,838.51/x
  3. Step 3: Cross multiply
    35,754.09x = 49,338.36 × 19,838.51
  4. Step 4: Simplify right side
    35,754.09x = 978,799,301.55
  5. Step 5: Solve for x
    x = 978,799,301.55/35,754.09
  6. Step 6: Final answer
    x = 27,375.87

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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.