Home / 55,575.75-76,694.55-30,425.25

Finding the Fourth Proportional to 55,575.75, 76,694.55 and 30,425.25

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Solution

The fourth proportional to 55,575.75, 76,694.55 and 30,425.25 is: 41,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,575.75 : 76,694.55 = 30,425.25 : x
  2. Step 2: Convert to fraction form
    55,575.75/76,694.55 = 30,425.25/x
  3. Step 3: Cross multiply
    55,575.75x = 76,694.55 × 30,425.25
  4. Step 4: Simplify right side
    55,575.75x = 2,333,450,857.39
  5. Step 5: Solve for x
    x = 2,333,450,857.39/55,575.75
  6. Step 6: Final answer
    x = 41,986.85

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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.