Home / 49,120.51-73,619.11-21,007.50

Finding the Fourth Proportional to 49,120.51, 73,619.11 and 21,007.50

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Solution

The fourth proportional to 49,120.51, 73,619.11 and 21,007.50 is: 31,484.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,120.51 : 73,619.11 = 21,007.50 : x
  2. Step 2: Convert to fraction form
    49,120.51/73,619.11 = 21,007.50/x
  3. Step 3: Cross multiply
    49,120.51x = 73,619.11 × 21,007.50
  4. Step 4: Simplify right side
    49,120.51x = 1,546,553,453.33
  5. Step 5: Solve for x
    x = 1,546,553,453.33/49,120.51
  6. Step 6: Final answer
    x = 31,484.88

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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.