Home / 31,859.26-43,968.09-19,113

Finding the Fourth Proportional to 31,859.26, 43,968.09 and 19,113

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Solution

The fourth proportional to 31,859.26, 43,968.09 and 19,113 is: 26,377.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,859.26 : 43,968.09 = 19,113 : x
  2. Step 2: Convert to fraction form
    31,859.26/43,968.09 = 19,113/x
  3. Step 3: Cross multiply
    31,859.26x = 43,968.09 × 19,113
  4. Step 4: Simplify right side
    31,859.26x = 840,362,104.17
  5. Step 5: Solve for x
    x = 840,362,104.17/31,859.26
  6. Step 6: Final answer
    x = 26,377.33

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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.