Home / 31,858-43,968.92-19,290.04

Finding the Fourth Proportional to 31,858, 43,968.92 and 19,290.04

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Solution

The fourth proportional to 31,858, 43,968.92 and 19,290.04 is: 26,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,858 : 43,968.92 = 19,290.04 : x
  2. Step 2: Convert to fraction form
    31,858/43,968.92 = 19,290.04/x
  3. Step 3: Cross multiply
    31,858x = 43,968.92 × 19,290.04
  4. Step 4: Simplify right side
    31,858x = 848,162,225.56
  5. Step 5: Solve for x
    x = 848,162,225.56/31,858
  6. Step 6: Final answer
    x = 26,623.21

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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.