Home / 35,747.19-49,331.18-19,831.64

Finding the Fourth Proportional to 35,747.19, 49,331.18 and 19,831.64

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Solution

The fourth proportional to 35,747.19, 49,331.18 and 19,831.64 is: 27,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,747.19 : 49,331.18 = 19,831.64 : x
  2. Step 2: Convert to fraction form
    35,747.19/49,331.18 = 19,831.64/x
  3. Step 3: Cross multiply
    35,747.19x = 49,331.18 × 19,831.64
  4. Step 4: Simplify right side
    35,747.19x = 978,318,375.44
  5. Step 5: Solve for x
    x = 978,318,375.44/35,747.19
  6. Step 6: Final answer
    x = 27,367.70

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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.