Home / 54,640.39-75,407.21-33,132.19

Finding the Fourth Proportional to 54,640.39, 75,407.21 and 33,132.19

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Solution

The fourth proportional to 54,640.39, 75,407.21 and 33,132.19 is: 45,724.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,640.39 : 75,407.21 = 33,132.19 : x
  2. Step 2: Convert to fraction form
    54,640.39/75,407.21 = 33,132.19/x
  3. Step 3: Cross multiply
    54,640.39x = 75,407.21 × 33,132.19
  4. Step 4: Simplify right side
    54,640.39x = 2,498,405,714.88
  5. Step 5: Solve for x
    x = 2,498,405,714.88/54,640.39
  6. Step 6: Final answer
    x = 45,724.53

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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.