Home / 54,353.21-81,529.85-14,910.62

Finding the Fourth Proportional to 54,353.21, 81,529.85 and 14,910.62

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Solution

The fourth proportional to 54,353.21, 81,529.85 and 14,910.62 is: 22,365.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,353.21 : 81,529.85 = 14,910.62 : x
  2. Step 2: Convert to fraction form
    54,353.21/81,529.85 = 14,910.62/x
  3. Step 3: Cross multiply
    54,353.21x = 81,529.85 × 14,910.62
  4. Step 4: Simplify right side
    54,353.21x = 1,215,660,241.63
  5. Step 5: Solve for x
    x = 1,215,660,241.63/54,353.21
  6. Step 6: Final answer
    x = 22,365.93

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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.