Home / 54,945.18-82,406.22-15,491.70

Finding the Fourth Proportional to 54,945.18, 82,406.22 and 15,491.70

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Solution

The fourth proportional to 54,945.18, 82,406.22 and 15,491.70 is: 23,234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,945.18 : 82,406.22 = 15,491.70 : x
  2. Step 2: Convert to fraction form
    54,945.18/82,406.22 = 15,491.70/x
  3. Step 3: Cross multiply
    54,945.18x = 82,406.22 × 15,491.70
  4. Step 4: Simplify right side
    54,945.18x = 1,276,612,438.37
  5. Step 5: Solve for x
    x = 1,276,612,438.37/54,945.18
  6. Step 6: Final answer
    x = 23,234.29

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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.