Home / 54,827.28-75,661.68-30,954

Finding the Fourth Proportional to 54,827.28, 75,661.68 and 30,954

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Solution

The fourth proportional to 54,827.28, 75,661.68 and 30,954 is: 42,716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,827.28 : 75,661.68 = 30,954 : x
  2. Step 2: Convert to fraction form
    54,827.28/75,661.68 = 30,954/x
  3. Step 3: Cross multiply
    54,827.28x = 75,661.68 × 30,954
  4. Step 4: Simplify right side
    54,827.28x = 2,342,031,642.72
  5. Step 5: Solve for x
    x = 2,342,031,642.72/54,827.28
  6. Step 6: Final answer
    x = 42,716.54

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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.