Home / 54,747.76-75,558.66-30,874

Finding the Fourth Proportional to 54,747.76, 75,558.66 and 30,874

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Solution

The fourth proportional to 54,747.76, 75,558.66 and 30,874 is: 42,609.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,747.76 : 75,558.66 = 30,874 : x
  2. Step 2: Convert to fraction form
    54,747.76/75,558.66 = 30,874/x
  3. Step 3: Cross multiply
    54,747.76x = 75,558.66 × 30,874
  4. Step 4: Simplify right side
    54,747.76x = 2,332,798,068.84
  5. Step 5: Solve for x
    x = 2,332,798,068.84/54,747.76
  6. Step 6: Final answer
    x = 42,609.93

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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.