Home / 54,496.63-81,742.68-18,966.09

Finding the Fourth Proportional to 54,496.63, 81,742.68 and 18,966.09

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Solution

The fourth proportional to 54,496.63, 81,742.68 and 18,966.09 is: 28,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,496.63 : 81,742.68 = 18,966.09 : x
  2. Step 2: Convert to fraction form
    54,496.63/81,742.68 = 18,966.09/x
  3. Step 3: Cross multiply
    54,496.63x = 81,742.68 × 18,966.09
  4. Step 4: Simplify right side
    54,496.63x = 1,550,339,025.72
  5. Step 5: Solve for x
    x = 1,550,339,025.72/54,496.63
  6. Step 6: Final answer
    x = 28,448.35

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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.