Home / 35,754.85-49,342.08-19,839.57

Finding the Fourth Proportional to 35,754.85, 49,342.08 and 19,839.57

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Solution

The fourth proportional to 35,754.85, 49,342.08 and 19,839.57 is: 27,378.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,754.85 : 49,342.08 = 19,839.57 : x
  2. Step 2: Convert to fraction form
    35,754.85/49,342.08 = 19,839.57/x
  3. Step 3: Cross multiply
    35,754.85x = 49,342.08 × 19,839.57
  4. Step 4: Simplify right side
    35,754.85x = 978,925,403.40
  5. Step 5: Solve for x
    x = 978,925,403.40/35,754.85
  6. Step 6: Final answer
    x = 27,378.81

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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.