Home / 54,039.16-74,579.66-30,174.04

Finding the Fourth Proportional to 54,039.16, 74,579.66 and 30,174.04

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Solution

The fourth proportional to 54,039.16, 74,579.66 and 30,174.04 is: 41,643.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,039.16 : 74,579.66 = 30,174.04 : x
  2. Step 2: Convert to fraction form
    54,039.16/74,579.66 = 30,174.04/x
  3. Step 3: Cross multiply
    54,039.16x = 74,579.66 × 30,174.04
  4. Step 4: Simplify right side
    54,039.16x = 2,250,369,644.03
  5. Step 5: Solve for x
    x = 2,250,369,644.03/54,039.16
  6. Step 6: Final answer
    x = 41,643.31

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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.