Home / 31,858.26-43,966.71-19,112.00

Finding the Fourth Proportional to 31,858.26, 43,966.71 and 19,112.00

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Solution

The fourth proportional to 31,858.26, 43,966.71 and 19,112.00 is: 26,375.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,858.26 : 43,966.71 = 19,112.00 : x
  2. Step 2: Convert to fraction form
    31,858.26/43,966.71 = 19,112.00/x
  3. Step 3: Cross multiply
    31,858.26x = 43,966.71 × 19,112.00
  4. Step 4: Simplify right side
    31,858.26x = 840,291,541.69
  5. Step 5: Solve for x
    x = 840,291,541.69/31,858.26
  6. Step 6: Final answer
    x = 26,375.94

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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.