Home / 54,651.35-82,002.54-21,362.78

Finding the Fourth Proportional to 54,651.35, 82,002.54 and 21,362.78

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Solution

The fourth proportional to 54,651.35, 82,002.54 and 21,362.78 is: 32,054.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,651.35 : 82,002.54 = 21,362.78 : x
  2. Step 2: Convert to fraction form
    54,651.35/82,002.54 = 21,362.78/x
  3. Step 3: Cross multiply
    54,651.35x = 82,002.54 × 21,362.78
  4. Step 4: Simplify right side
    54,651.35x = 1,751,802,221.46
  5. Step 5: Solve for x
    x = 1,751,802,221.46/54,651.35
  6. Step 6: Final answer
    x = 32,054.14

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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.