Home / 54,723.31-75,511.44-30,518.60

Finding the Fourth Proportional to 54,723.31, 75,511.44 and 30,518.60

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Solution

The fourth proportional to 54,723.31, 75,511.44 and 30,518.60 is: 42,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,723.31 : 75,511.44 = 30,518.60 : x
  2. Step 2: Convert to fraction form
    54,723.31/75,511.44 = 30,518.60/x
  3. Step 3: Cross multiply
    54,723.31x = 75,511.44 × 30,518.60
  4. Step 4: Simplify right side
    54,723.31x = 2,304,503,055.23
  5. Step 5: Solve for x
    x = 2,304,503,055.23/54,723.31
  6. Step 6: Final answer
    x = 42,111.91

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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.