Home / 36,418.62-54,609.64-21,226.08

Finding the Fourth Proportional to 36,418.62, 54,609.64 and 21,226.08

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Solution

The fourth proportional to 36,418.62, 54,609.64 and 21,226.08 is: 31,828.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,418.62 : 54,609.64 = 21,226.08 : x
  2. Step 2: Convert to fraction form
    36,418.62/54,609.64 = 21,226.08/x
  3. Step 3: Cross multiply
    36,418.62x = 54,609.64 × 21,226.08
  4. Step 4: Simplify right side
    36,418.62x = 1,159,148,587.41
  5. Step 5: Solve for x
    x = 1,159,148,587.41/36,418.62
  6. Step 6: Final answer
    x = 31,828.46

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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.