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Finding the Fourth Proportional to 60,939.76, 84,093.36 and 33,714.24

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Solution

The fourth proportional to 60,939.76, 84,093.36 and 33,714.24 is: 46,523.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,939.76 : 84,093.36 = 33,714.24 : x
  2. Step 2: Convert to fraction form
    60,939.76/84,093.36 = 33,714.24/x
  3. Step 3: Cross multiply
    60,939.76x = 84,093.36 × 33,714.24
  4. Step 4: Simplify right side
    60,939.76x = 2,835,143,721.45
  5. Step 5: Solve for x
    x = 2,835,143,721.45/60,939.76
  6. Step 6: Final answer
    x = 46,523.71

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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.