Home / 54,187.06-74,774.66-30,309.60

Finding the Fourth Proportional to 54,187.06, 74,774.66 and 30,309.60

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Solution

The fourth proportional to 54,187.06, 74,774.66 and 30,309.60 is: 41,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,187.06 : 74,774.66 = 30,309.60 : x
  2. Step 2: Convert to fraction form
    54,187.06/74,774.66 = 30,309.60/x
  3. Step 3: Cross multiply
    54,187.06x = 74,774.66 × 30,309.60
  4. Step 4: Simplify right side
    54,187.06x = 2,266,390,034.74
  5. Step 5: Solve for x
    x = 2,266,390,034.74/54,187.06
  6. Step 6: Final answer
    x = 41,825.30

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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.