Home / 54,873.65-82,316.55-21,589.34

Finding the Fourth Proportional to 54,873.65, 82,316.55 and 21,589.34

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Solution

The fourth proportional to 54,873.65, 82,316.55 and 21,589.34 is: 32,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,873.65 : 82,316.55 = 21,589.34 : x
  2. Step 2: Convert to fraction form
    54,873.65/82,316.55 = 21,589.34/x
  3. Step 3: Cross multiply
    54,873.65x = 82,316.55 × 21,589.34
  4. Step 4: Simplify right side
    54,873.65x = 1,777,159,654.95
  5. Step 5: Solve for x
    x = 1,777,159,654.95/54,873.65
  6. Step 6: Final answer
    x = 32,386.39

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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.