Home / 39,708.78-54,802.49-22,714.59

Finding the Fourth Proportional to 39,708.78, 54,802.49 and 22,714.59

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Solution

The fourth proportional to 39,708.78, 54,802.49 and 22,714.59 is: 31,348.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,708.78 : 54,802.49 = 22,714.59 : x
  2. Step 2: Convert to fraction form
    39,708.78/54,802.49 = 22,714.59/x
  3. Step 3: Cross multiply
    39,708.78x = 54,802.49 × 22,714.59
  4. Step 4: Simplify right side
    39,708.78x = 1,244,815,977.76
  5. Step 5: Solve for x
    x = 1,244,815,977.76/39,708.78
  6. Step 6: Final answer
    x = 31,348.63

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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.