Home / 49,120.66-73,619.37-21,007.71

Finding the Fourth Proportional to 49,120.66, 73,619.37 and 21,007.71

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Solution

The fourth proportional to 49,120.66, 73,619.37 and 21,007.71 is: 31,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,120.66 : 73,619.37 = 21,007.71 : x
  2. Step 2: Convert to fraction form
    49,120.66/73,619.37 = 21,007.71/x
  3. Step 3: Cross multiply
    49,120.66x = 73,619.37 × 21,007.71
  4. Step 4: Simplify right side
    49,120.66x = 1,546,574,227.37
  5. Step 5: Solve for x
    x = 1,546,574,227.37/49,120.66
  6. Step 6: Final answer
    x = 31,485.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.