Home / 54,142.68-74,717.43-30,270.66

Finding the Fourth Proportional to 54,142.68, 74,717.43 and 30,270.66

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Solution

The fourth proportional to 54,142.68, 74,717.43 and 30,270.66 is: 41,773.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,142.68 : 74,717.43 = 30,270.66 : x
  2. Step 2: Convert to fraction form
    54,142.68/74,717.43 = 30,270.66/x
  3. Step 3: Cross multiply
    54,142.68x = 74,717.43 × 30,270.66
  4. Step 4: Simplify right side
    54,142.68x = 2,261,745,919.60
  5. Step 5: Solve for x
    x = 2,261,745,919.60/54,142.68
  6. Step 6: Final answer
    x = 41,773.81

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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.