Home / 30,375.13-41,917.08-16,764.45

Finding the Fourth Proportional to 30,375.13, 41,917.08 and 16,764.45

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Solution

The fourth proportional to 30,375.13, 41,917.08 and 16,764.45 is: 23,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,375.13 : 41,917.08 = 16,764.45 : x
  2. Step 2: Convert to fraction form
    30,375.13/41,917.08 = 16,764.45/x
  3. Step 3: Cross multiply
    30,375.13x = 41,917.08 × 16,764.45
  4. Step 4: Simplify right side
    30,375.13x = 702,716,791.81
  5. Step 5: Solve for x
    x = 702,716,791.81/30,375.13
  6. Step 6: Final answer
    x = 23,134.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.