Home / 54,187.75-74,778-30,314.62

Finding the Fourth Proportional to 54,187.75, 74,778 and 30,314.62

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Solution

The fourth proportional to 54,187.75, 74,778 and 30,314.62 is: 41,833.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,187.75 : 74,778 = 30,314.62 : x
  2. Step 2: Convert to fraction form
    54,187.75/74,778 = 30,314.62/x
  3. Step 3: Cross multiply
    54,187.75x = 74,778 × 30,314.62
  4. Step 4: Simplify right side
    54,187.75x = 2,266,866,654.36
  5. Step 5: Solve for x
    x = 2,266,866,654.36/54,187.75
  6. Step 6: Final answer
    x = 41,833.56

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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.