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Finding the Fourth Proportional to 53,994.92, 81,019.70 and 36,427.84

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Solution

The fourth proportional to 53,994.92, 81,019.70 and 36,427.84 is: 54,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,994.92 : 81,019.70 = 36,427.84 : x
  2. Step 2: Convert to fraction form
    53,994.92/81,019.70 = 36,427.84/x
  3. Step 3: Cross multiply
    53,994.92x = 81,019.70 × 36,427.84
  4. Step 4: Simplify right side
    53,994.92x = 2,951,372,556.97
  5. Step 5: Solve for x
    x = 2,951,372,556.97/53,994.92
  6. Step 6: Final answer
    x = 54,660.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.