Home / 54,285.44-74,914.32-30,412.97

Finding the Fourth Proportional to 54,285.44, 74,914.32 and 30,412.97

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Solution

The fourth proportional to 54,285.44, 74,914.32 and 30,412.97 is: 41,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,285.44 : 74,914.32 = 30,412.97 : x
  2. Step 2: Convert to fraction form
    54,285.44/74,914.32 = 30,412.97/x
  3. Step 3: Cross multiply
    54,285.44x = 74,914.32 × 30,412.97
  4. Step 4: Simplify right side
    54,285.44x = 2,278,366,816.06
  5. Step 5: Solve for x
    x = 2,278,366,816.06/54,285.44
  6. Step 6: Final answer
    x = 41,970.13

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1.5x scale

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.