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Finding the Fourth Proportional to 54,881.92, 75,738.48 and 33,648.96

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Solution

The fourth proportional to 54,881.92, 75,738.48 and 33,648.96 is: 46,436.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,881.92 : 75,738.48 = 33,648.96 : x
  2. Step 2: Convert to fraction form
    54,881.92/75,738.48 = 33,648.96/x
  3. Step 3: Cross multiply
    54,881.92x = 75,738.48 × 33,648.96
  4. Step 4: Simplify right side
    54,881.92x = 2,548,521,083.98
  5. Step 5: Solve for x
    x = 2,548,521,083.98/54,881.92
  6. Step 6: Final answer
    x = 46,436.44

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1.5x scale

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.