Home / 54,609.40-81,914.13-15,166.51

Finding the Fourth Proportional to 54,609.40, 81,914.13 and 15,166.51

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Solution

The fourth proportional to 54,609.40, 81,914.13 and 15,166.51 is: 22,749.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,609.40 : 81,914.13 = 15,166.51 : x
  2. Step 2: Convert to fraction form
    54,609.40/81,914.13 = 15,166.51/x
  3. Step 3: Cross multiply
    54,609.40x = 81,914.13 × 15,166.51
  4. Step 4: Simplify right side
    54,609.40x = 1,242,351,471.79
  5. Step 5: Solve for x
    x = 1,242,351,471.79/54,609.40
  6. Step 6: Final answer
    x = 22,749.77

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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.