Home / 36,618.40-54,905.68-11,647.68

Finding the Fourth Proportional to 36,618.40, 54,905.68 and 11,647.68

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Solution

The fourth proportional to 36,618.40, 54,905.68 and 11,647.68 is: 17,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,618.40 : 54,905.68 = 11,647.68 : x
  2. Step 2: Convert to fraction form
    36,618.40/54,905.68 = 11,647.68/x
  3. Step 3: Cross multiply
    36,618.40x = 54,905.68 × 11,647.68
  4. Step 4: Simplify right side
    36,618.40x = 639,523,790.82
  5. Step 5: Solve for x
    x = 639,523,790.82/36,618.40
  6. Step 6: Final answer
    x = 17,464.55

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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.