Home / 54,769.35-82,118.68-21,492.78

Finding the Fourth Proportional to 54,769.35, 82,118.68 and 21,492.78

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Solution

The fourth proportional to 54,769.35, 82,118.68 and 21,492.78 is: 32,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,769.35 : 82,118.68 = 21,492.78 : x
  2. Step 2: Convert to fraction form
    54,769.35/82,118.68 = 21,492.78/x
  3. Step 3: Cross multiply
    54,769.35x = 82,118.68 × 21,492.78
  4. Step 4: Simplify right side
    54,769.35x = 1,764,958,442.05
  5. Step 5: Solve for x
    x = 1,764,958,442.05/54,769.35
  6. Step 6: Final answer
    x = 32,225.30

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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.