Home / 48,391.68-66,786.56-29,529.60

Finding the Fourth Proportional to 48,391.68, 66,786.56 and 29,529.60

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Solution

The fourth proportional to 48,391.68, 66,786.56 and 29,529.60 is: 40,754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,391.68 : 66,786.56 = 29,529.60 : x
  2. Step 2: Convert to fraction form
    48,391.68/66,786.56 = 29,529.60/x
  3. Step 3: Cross multiply
    48,391.68x = 66,786.56 × 29,529.60
  4. Step 4: Simplify right side
    48,391.68x = 1,972,180,402.18
  5. Step 5: Solve for x
    x = 1,972,180,402.18/48,391.68
  6. Step 6: Final answer
    x = 40,754.53

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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.