Home / 53,640-74,021.88-29,766.06

Finding the Fourth Proportional to 53,640, 74,021.88 and 29,766.06

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Solution

The fourth proportional to 53,640, 74,021.88 and 29,766.06 is: 41,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,640 : 74,021.88 = 29,766.06 : x
  2. Step 2: Convert to fraction form
    53,640/74,021.88 = 29,766.06/x
  3. Step 3: Cross multiply
    53,640x = 74,021.88 × 29,766.06
  4. Step 4: Simplify right side
    53,640x = 2,203,339,721.39
  5. Step 5: Solve for x
    x = 2,203,339,721.39/53,640
  6. Step 6: Final answer
    x = 41,076.43

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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.