Home / 48,835.78-73,257.31-20,752.68

Finding the Fourth Proportional to 48,835.78, 73,257.31 and 20,752.68

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Solution

The fourth proportional to 48,835.78, 73,257.31 and 20,752.68 is: 31,130.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,835.78 : 73,257.31 = 20,752.68 : x
  2. Step 2: Convert to fraction form
    48,835.78/73,257.31 = 20,752.68/x
  3. Step 3: Cross multiply
    48,835.78x = 73,257.31 × 20,752.68
  4. Step 4: Simplify right side
    48,835.78x = 1,520,285,512.09
  5. Step 5: Solve for x
    x = 1,520,285,512.09/48,835.78
  6. Step 6: Final answer
    x = 31,130.57

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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.