Home / 54,409.22-81,604.40-14,428.46

Finding the Fourth Proportional to 54,409.22, 81,604.40 and 14,428.46

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Solution

The fourth proportional to 54,409.22, 81,604.40 and 14,428.46 is: 21,640.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,409.22 : 81,604.40 = 14,428.46 : x
  2. Step 2: Convert to fraction form
    54,409.22/81,604.40 = 14,428.46/x
  3. Step 3: Cross multiply
    54,409.22x = 81,604.40 × 14,428.46
  4. Step 4: Simplify right side
    54,409.22x = 1,177,425,821.22
  5. Step 5: Solve for x
    x = 1,177,425,821.22/54,409.22
  6. Step 6: Final answer
    x = 21,640.19

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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.