Home / 54,717.48-75,509.06-30,843.70

Finding the Fourth Proportional to 54,717.48, 75,509.06 and 30,843.70

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Solution

The fourth proportional to 54,717.48, 75,509.06 and 30,843.70 is: 42,563.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,717.48 : 75,509.06 = 30,843.70 : x
  2. Step 2: Convert to fraction form
    54,717.48/75,509.06 = 30,843.70/x
  3. Step 3: Cross multiply
    54,717.48x = 75,509.06 × 30,843.70
  4. Step 4: Simplify right side
    54,717.48x = 2,328,978,793.92
  5. Step 5: Solve for x
    x = 2,328,978,793.92/54,717.48
  6. Step 6: Final answer
    x = 42,563.71

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1.5x scale

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.