Home / 53,920.46-74,410.31-30,046.61

Finding the Fourth Proportional to 53,920.46, 74,410.31 and 30,046.61

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Solution

The fourth proportional to 53,920.46, 74,410.31 and 30,046.61 is: 41,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,920.46 : 74,410.31 = 30,046.61 : x
  2. Step 2: Convert to fraction form
    53,920.46/74,410.31 = 30,046.61/x
  3. Step 3: Cross multiply
    53,920.46x = 74,410.31 × 30,046.61
  4. Step 4: Simplify right side
    53,920.46x = 2,235,777,825.69
  5. Step 5: Solve for x
    x = 2,235,777,825.69/53,920.46
  6. Step 6: Final answer
    x = 41,464.37

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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.