Home / 48,835.99-73,263.75-20,755.81

Finding the Fourth Proportional to 48,835.99, 73,263.75 and 20,755.81

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Solution

The fourth proportional to 48,835.99, 73,263.75 and 20,755.81 is: 31,137.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,835.99 : 73,263.75 = 20,755.81 : x
  2. Step 2: Convert to fraction form
    48,835.99/73,263.75 = 20,755.81/x
  3. Step 3: Cross multiply
    48,835.99x = 73,263.75 × 20,755.81
  4. Step 4: Simplify right side
    48,835.99x = 1,520,648,474.89
  5. Step 5: Solve for x
    x = 1,520,648,474.89/48,835.99
  6. Step 6: Final answer
    x = 31,137.87

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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.