Home / 49,450.29-74,189.34-19,889.07

Finding the Fourth Proportional to 49,450.29, 74,189.34 and 19,889.07

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Solution

The fourth proportional to 49,450.29, 74,189.34 and 19,889.07 is: 29,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,450.29 : 74,189.34 = 19,889.07 : x
  2. Step 2: Convert to fraction form
    49,450.29/74,189.34 = 19,889.07/x
  3. Step 3: Cross multiply
    49,450.29x = 74,189.34 × 19,889.07
  4. Step 4: Simplify right side
    49,450.29x = 1,475,556,976.51
  5. Step 5: Solve for x
    x = 1,475,556,976.51/49,450.29
  6. Step 6: Final answer
    x = 29,839.20

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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.