Home / 54,228.27-74,839.28-39,953.37

Finding the Fourth Proportional to 54,228.27, 74,839.28 and 39,953.37

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Solution

The fourth proportional to 54,228.27, 74,839.28 and 39,953.37 is: 55,138.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,228.27 : 74,839.28 = 39,953.37 : x
  2. Step 2: Convert to fraction form
    54,228.27/74,839.28 = 39,953.37/x
  3. Step 3: Cross multiply
    54,228.27x = 74,839.28 × 39,953.37
  4. Step 4: Simplify right side
    54,228.27x = 2,990,081,244.61
  5. Step 5: Solve for x
    x = 2,990,081,244.61/54,228.27
  6. Step 6: Final answer
    x = 55,138.79

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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.