Home / 41,890.56-62,845.05-13,809.48

Finding the Fourth Proportional to 41,890.56, 62,845.05 and 13,809.48

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Solution

The fourth proportional to 41,890.56, 62,845.05 and 13,809.48 is: 20,717.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,890.56 : 62,845.05 = 13,809.48 : x
  2. Step 2: Convert to fraction form
    41,890.56/62,845.05 = 13,809.48/x
  3. Step 3: Cross multiply
    41,890.56x = 62,845.05 × 13,809.48
  4. Step 4: Simplify right side
    41,890.56x = 867,857,461.07
  5. Step 5: Solve for x
    x = 867,857,461.07/41,890.56
  6. Step 6: Final answer
    x = 20,717.26

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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.