Home / 54,221.36-74,824.75-30,348.03

Finding the Fourth Proportional to 54,221.36, 74,824.75 and 30,348.03

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Solution

The fourth proportional to 54,221.36, 74,824.75 and 30,348.03 is: 41,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,221.36 : 74,824.75 = 30,348.03 : x
  2. Step 2: Convert to fraction form
    54,221.36/74,824.75 = 30,348.03/x
  3. Step 3: Cross multiply
    54,221.36x = 74,824.75 × 30,348.03
  4. Step 4: Simplify right side
    54,221.36x = 2,270,783,606.00
  5. Step 5: Solve for x
    x = 2,270,783,606.00/54,221.36
  6. Step 6: Final answer
    x = 41,879.87

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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.