Home / 54,660.08-75,424.56-30,786.32

Finding the Fourth Proportional to 54,660.08, 75,424.56 and 30,786.32

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Solution

The fourth proportional to 54,660.08, 75,424.56 and 30,786.32 is: 42,481.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,660.08 : 75,424.56 = 30,786.32 : x
  2. Step 2: Convert to fraction form
    54,660.08/75,424.56 = 30,786.32/x
  3. Step 3: Cross multiply
    54,660.08x = 75,424.56 × 30,786.32
  4. Step 4: Simplify right side
    54,660.08x = 2,322,044,640.02
  5. Step 5: Solve for x
    x = 2,322,044,640.02/54,660.08
  6. Step 6: Final answer
    x = 42,481.54

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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.