Home / 54,047.88-74,580.40-31,382.44

Finding the Fourth Proportional to 54,047.88, 74,580.40 and 31,382.44

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Solution

The fourth proportional to 54,047.88, 74,580.40 and 31,382.44 is: 43,304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,047.88 : 74,580.40 = 31,382.44 : x
  2. Step 2: Convert to fraction form
    54,047.88/74,580.40 = 31,382.44/x
  3. Step 3: Cross multiply
    54,047.88x = 74,580.40 × 31,382.44
  4. Step 4: Simplify right side
    54,047.88x = 2,340,514,928.18
  5. Step 5: Solve for x
    x = 2,340,514,928.18/54,047.88
  6. Step 6: Final answer
    x = 43,304.47

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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.