Home / 41,648.78-57,476.16-22,786.31

Finding the Fourth Proportional to 41,648.78, 57,476.16 and 22,786.31

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Solution

The fourth proportional to 41,648.78, 57,476.16 and 22,786.31 is: 31,445.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,648.78 : 57,476.16 = 22,786.31 : x
  2. Step 2: Convert to fraction form
    41,648.78/57,476.16 = 22,786.31/x
  3. Step 3: Cross multiply
    41,648.78x = 57,476.16 × 22,786.31
  4. Step 4: Simplify right side
    41,648.78x = 1,309,669,599.37
  5. Step 5: Solve for x
    x = 1,309,669,599.37/41,648.78
  6. Step 6: Final answer
    x = 31,445.57

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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.