Home / 53,958.90-74,464.11-30,084.78

Finding the Fourth Proportional to 53,958.90, 74,464.11 and 30,084.78

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Solution

The fourth proportional to 53,958.90, 74,464.11 and 30,084.78 is: 41,517.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,958.90 : 74,464.11 = 30,084.78 : x
  2. Step 2: Convert to fraction form
    53,958.90/74,464.11 = 30,084.78/x
  3. Step 3: Cross multiply
    53,958.90x = 74,464.11 × 30,084.78
  4. Step 4: Simplify right side
    53,958.90x = 2,240,236,367.25
  5. Step 5: Solve for x
    x = 2,240,236,367.25/53,958.90
  6. Step 6: Final answer
    x = 41,517.46

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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.