Home / 49,336.31-74,016.61-14,279.51

Finding the Fourth Proportional to 49,336.31, 74,016.61 and 14,279.51

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Solution

The fourth proportional to 49,336.31, 74,016.61 and 14,279.51 is: 21,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,336.31 : 74,016.61 = 14,279.51 : x
  2. Step 2: Convert to fraction form
    49,336.31/74,016.61 = 14,279.51/x
  3. Step 3: Cross multiply
    49,336.31x = 74,016.61 × 14,279.51
  4. Step 4: Simplify right side
    49,336.31x = 1,056,920,922.66
  5. Step 5: Solve for x
    x = 1,056,920,922.66/49,336.31
  6. Step 6: Final answer
    x = 21,422.78

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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.