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Finding the Fourth Proportional to 32,918.38, 49,379.38 and 9,546.64

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Solution

The fourth proportional to 32,918.38, 49,379.38 and 9,546.64 is: 14,320.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,918.38 : 49,379.38 = 9,546.64 : x
  2. Step 2: Convert to fraction form
    32,918.38/49,379.38 = 9,546.64/x
  3. Step 3: Cross multiply
    32,918.38x = 49,379.38 × 9,546.64
  4. Step 4: Simplify right side
    32,918.38x = 471,407,164.28
  5. Step 5: Solve for x
    x = 471,407,164.28/32,918.38
  6. Step 6: Final answer
    x = 14,320.48

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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.