Home / 31,702.80-43,749.43-17,362.47

Finding the Fourth Proportional to 31,702.80, 43,749.43 and 17,362.47

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Solution

The fourth proportional to 31,702.80, 43,749.43 and 17,362.47 is: 23,959.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,702.80 : 43,749.43 = 17,362.47 : x
  2. Step 2: Convert to fraction form
    31,702.80/43,749.43 = 17,362.47/x
  3. Step 3: Cross multiply
    31,702.80x = 43,749.43 × 17,362.47
  4. Step 4: Simplify right side
    31,702.80x = 759,598,165.89
  5. Step 5: Solve for x
    x = 759,598,165.89/31,702.80
  6. Step 6: Final answer
    x = 23,959.97

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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.