Home / 48,021.50-66,270.27-27,879.23

Finding the Fourth Proportional to 48,021.50, 66,270.27 and 27,879.23

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Solution

The fourth proportional to 48,021.50, 66,270.27 and 27,879.23 is: 38,473.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,021.50 : 66,270.27 = 27,879.23 : x
  2. Step 2: Convert to fraction form
    48,021.50/66,270.27 = 27,879.23/x
  3. Step 3: Cross multiply
    48,021.50x = 66,270.27 × 27,879.23
  4. Step 4: Simplify right side
    48,021.50x = 1,847,564,099.49
  5. Step 5: Solve for x
    x = 1,847,564,099.49/48,021.50
  6. Step 6: Final answer
    x = 38,473.69

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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.