Home / 54,350.84-81,540.48-18,819.56

Finding the Fourth Proportional to 54,350.84, 81,540.48 and 18,819.56

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Solution

The fourth proportional to 54,350.84, 81,540.48 and 18,819.56 is: 28,234.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,350.84 : 81,540.48 = 18,819.56 : x
  2. Step 2: Convert to fraction form
    54,350.84/81,540.48 = 18,819.56/x
  3. Step 3: Cross multiply
    54,350.84x = 81,540.48 × 18,819.56
  4. Step 4: Simplify right side
    54,350.84x = 1,534,555,955.79
  5. Step 5: Solve for x
    x = 1,534,555,955.79/54,350.84
  6. Step 6: Final answer
    x = 28,234.26

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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.