Home / 54,255.40-81,383.10-35,653.75

Finding the Fourth Proportional to 54,255.40, 81,383.10 and 35,653.75

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Solution

The fourth proportional to 54,255.40, 81,383.10 and 35,653.75 is: 53,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,255.40 : 81,383.10 = 35,653.75 : x
  2. Step 2: Convert to fraction form
    54,255.40/81,383.10 = 35,653.75/x
  3. Step 3: Cross multiply
    54,255.40x = 81,383.10 × 35,653.75
  4. Step 4: Simplify right side
    54,255.40x = 2,901,612,701.63
  5. Step 5: Solve for x
    x = 2,901,612,701.63/54,255.40
  6. Step 6: Final answer
    x = 53,480.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.