Home / 38,718.61-58,043.52-13,755.37

Finding the Fourth Proportional to 38,718.61, 58,043.52 and 13,755.37

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Solution

The fourth proportional to 38,718.61, 58,043.52 and 13,755.37 is: 20,620.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,718.61 : 58,043.52 = 13,755.37 : x
  2. Step 2: Convert to fraction form
    38,718.61/58,043.52 = 13,755.37/x
  3. Step 3: Cross multiply
    38,718.61x = 58,043.52 × 13,755.37
  4. Step 4: Simplify right side
    38,718.61x = 798,410,093.70
  5. Step 5: Solve for x
    x = 798,410,093.70/38,718.61
  6. Step 6: Final answer
    x = 20,620.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.