Home / 54,293.09-74,926.49-30,418.88

Finding the Fourth Proportional to 54,293.09, 74,926.49 and 30,418.88

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Solution

The fourth proportional to 54,293.09, 74,926.49 and 30,418.88 is: 41,979.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,293.09 : 74,926.49 = 30,418.88 : x
  2. Step 2: Convert to fraction form
    54,293.09/74,926.49 = 30,418.88/x
  3. Step 3: Cross multiply
    54,293.09x = 74,926.49 × 30,418.88
  4. Step 4: Simplify right side
    54,293.09x = 2,279,179,381.40
  5. Step 5: Solve for x
    x = 2,279,179,381.40/54,293.09
  6. Step 6: Final answer
    x = 41,979.18

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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.