Home / 54,821.67-75,653.37-30,947.85

Finding the Fourth Proportional to 54,821.67, 75,653.37 and 30,947.85

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Solution

The fourth proportional to 54,821.67, 75,653.37 and 30,947.85 is: 42,707.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,821.67 : 75,653.37 = 30,947.85 : x
  2. Step 2: Convert to fraction form
    54,821.67/75,653.37 = 30,947.85/x
  3. Step 3: Cross multiply
    54,821.67x = 75,653.37 × 30,947.85
  4. Step 4: Simplify right side
    54,821.67x = 2,341,309,146.75
  5. Step 5: Solve for x
    x = 2,341,309,146.75/54,821.67
  6. Step 6: Final answer
    x = 42,707.73

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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.