Home / 40,486.89-55,872.59-22,579.97

Finding the Fourth Proportional to 40,486.89, 55,872.59 and 22,579.97

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Solution

The fourth proportional to 40,486.89, 55,872.59 and 22,579.97 is: 31,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,486.89 : 55,872.59 = 22,579.97 : x
  2. Step 2: Convert to fraction form
    40,486.89/55,872.59 = 22,579.97/x
  3. Step 3: Cross multiply
    40,486.89x = 55,872.59 × 22,579.97
  4. Step 4: Simplify right side
    40,486.89x = 1,261,601,013.76
  5. Step 5: Solve for x
    x = 1,261,601,013.76/40,486.89
  6. Step 6: Final answer
    x = 31,160.73

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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.