Home / 48,509.40-66,942.26-27,288.68

Finding the Fourth Proportional to 48,509.40, 66,942.26 and 27,288.68

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Solution

The fourth proportional to 48,509.40, 66,942.26 and 27,288.68 is: 37,657.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,509.40 : 66,942.26 = 27,288.68 : x
  2. Step 2: Convert to fraction form
    48,509.40/66,942.26 = 27,288.68/x
  3. Step 3: Cross multiply
    48,509.40x = 66,942.26 × 27,288.68
  4. Step 4: Simplify right side
    48,509.40x = 1,826,765,911.62
  5. Step 5: Solve for x
    x = 1,826,765,911.62/48,509.40
  6. Step 6: Final answer
    x = 37,657.98

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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.