Home / 54,185.75-74,774.58-30,311.91

Finding the Fourth Proportional to 54,185.75, 74,774.58 and 30,311.91

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Solution

The fourth proportional to 54,185.75, 74,774.58 and 30,311.91 is: 41,829.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,185.75 : 74,774.58 = 30,311.91 : x
  2. Step 2: Convert to fraction form
    54,185.75/74,774.58 = 30,311.91/x
  3. Step 3: Cross multiply
    54,185.75x = 74,774.58 × 30,311.91
  4. Step 4: Simplify right side
    54,185.75x = 2,266,560,339.25
  5. Step 5: Solve for x
    x = 2,266,560,339.25/54,185.75
  6. Step 6: Final answer
    x = 41,829.46

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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.