Home / 47,395.44-65,399.94-30,161.88

Finding the Fourth Proportional to 47,395.44, 65,399.94 and 30,161.88

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Solution

The fourth proportional to 47,395.44, 65,399.94 and 30,161.88 is: 41,619.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,395.44 : 65,399.94 = 30,161.88 : x
  2. Step 2: Convert to fraction form
    47,395.44/65,399.94 = 30,161.88/x
  3. Step 3: Cross multiply
    47,395.44x = 65,399.94 × 30,161.88
  4. Step 4: Simplify right side
    47,395.44x = 1,972,585,142.29
  5. Step 5: Solve for x
    x = 1,972,585,142.29/47,395.44
  6. Step 6: Final answer
    x = 41,619.72

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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.