Home / 54,268.79-74,891.15-31,623.32

Finding the Fourth Proportional to 54,268.79, 74,891.15 and 31,623.32

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Solution

The fourth proportional to 54,268.79, 74,891.15 and 31,623.32 is: 43,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,268.79 : 74,891.15 = 31,623.32 : x
  2. Step 2: Convert to fraction form
    54,268.79/74,891.15 = 31,623.32/x
  3. Step 3: Cross multiply
    54,268.79x = 74,891.15 × 31,623.32
  4. Step 4: Simplify right side
    54,268.79x = 2,368,306,269.05
  5. Step 5: Solve for x
    x = 2,368,306,269.05/54,268.79
  6. Step 6: Final answer
    x = 43,640.30

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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.