Home / 54,821.16-82,231.72-19,752.60

Finding the Fourth Proportional to 54,821.16, 82,231.72 and 19,752.60

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Solution

The fourth proportional to 54,821.16, 82,231.72 and 19,752.60 is: 29,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,821.16 : 82,231.72 = 19,752.60 : x
  2. Step 2: Convert to fraction form
    54,821.16/82,231.72 = 19,752.60/x
  3. Step 3: Cross multiply
    54,821.16x = 82,231.72 × 19,752.60
  4. Step 4: Simplify right side
    54,821.16x = 1,624,290,272.47
  5. Step 5: Solve for x
    x = 1,624,290,272.47/54,821.16
  6. Step 6: Final answer
    x = 29,628.89

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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.