Home / 49,481.64-74,216.52-13,945.64

Finding the Fourth Proportional to 49,481.64, 74,216.52 and 13,945.64

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Solution

The fourth proportional to 49,481.64, 74,216.52 and 13,945.64 is: 20,916.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,481.64 : 74,216.52 = 13,945.64 : x
  2. Step 2: Convert to fraction form
    49,481.64/74,216.52 = 13,945.64/x
  3. Step 3: Cross multiply
    49,481.64x = 74,216.52 × 13,945.64
  4. Step 4: Simplify right side
    49,481.64x = 1,034,996,498.89
  5. Step 5: Solve for x
    x = 1,034,996,498.89/49,481.64
  6. Step 6: Final answer
    x = 20,916.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.