Home / 31,474.43-43,432.06-18,042.60

Finding the Fourth Proportional to 31,474.43, 43,432.06 and 18,042.60

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Solution

The fourth proportional to 31,474.43, 43,432.06 and 18,042.60 is: 24,897.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,474.43 : 43,432.06 = 18,042.60 : x
  2. Step 2: Convert to fraction form
    31,474.43/43,432.06 = 18,042.60/x
  3. Step 3: Cross multiply
    31,474.43x = 43,432.06 × 18,042.60
  4. Step 4: Simplify right side
    31,474.43x = 783,627,285.76
  5. Step 5: Solve for x
    x = 783,627,285.76/31,474.43
  6. Step 6: Final answer
    x = 24,897.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.