Home / 54,213.64-74,815.84-30,342.94

Finding the Fourth Proportional to 54,213.64, 74,815.84 and 30,342.94

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Solution

The fourth proportional to 54,213.64, 74,815.84 and 30,342.94 is: 41,873.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,213.64 : 74,815.84 = 30,342.94 : x
  2. Step 2: Convert to fraction form
    54,213.64/74,815.84 = 30,342.94/x
  3. Step 3: Cross multiply
    54,213.64x = 74,815.84 × 30,342.94
  4. Step 4: Simplify right side
    54,213.64x = 2,270,132,544.17
  5. Step 5: Solve for x
    x = 2,270,132,544.17/54,213.64
  6. Step 6: Final answer
    x = 41,873.83

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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.