Home / 54,494.63-81,739.68-18,964.09

Finding the Fourth Proportional to 54,494.63, 81,739.68 and 18,964.09

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Solution

The fourth proportional to 54,494.63, 81,739.68 and 18,964.09 is: 28,445.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,494.63 : 81,739.68 = 18,964.09 : x
  2. Step 2: Convert to fraction form
    54,494.63/81,739.68 = 18,964.09/x
  3. Step 3: Cross multiply
    54,494.63x = 81,739.68 × 18,964.09
  4. Step 4: Simplify right side
    54,494.63x = 1,550,118,648.09
  5. Step 5: Solve for x
    x = 1,550,118,648.09/54,494.63
  6. Step 6: Final answer
    x = 28,445.35

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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.