Home / 54,665.61-82,006.58-17,221.74

Finding the Fourth Proportional to 54,665.61, 82,006.58 and 17,221.74

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Solution

The fourth proportional to 54,665.61, 82,006.58 and 17,221.74 is: 25,835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,665.61 : 82,006.58 = 17,221.74 : x
  2. Step 2: Convert to fraction form
    54,665.61/82,006.58 = 17,221.74/x
  3. Step 3: Cross multiply
    54,665.61x = 82,006.58 × 17,221.74
  4. Step 4: Simplify right side
    54,665.61x = 1,412,295,999.05
  5. Step 5: Solve for x
    x = 1,412,295,999.05/54,665.61
  6. Step 6: Final answer
    x = 25,835.18

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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.