Home / 67,004.42-100,375.27-38,865.35

Finding the Fourth Proportional to 67,004.42, 100,375.27 and 38,865.35

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Solution

The fourth proportional to 67,004.42, 100,375.27 and 38,865.35 is: 58,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,004.42 : 100,375.27 = 38,865.35 : x
  2. Step 2: Convert to fraction form
    67,004.42/100,375.27 = 38,865.35/x
  3. Step 3: Cross multiply
    67,004.42x = 100,375.27 × 38,865.35
  4. Step 4: Simplify right side
    67,004.42x = 3,901,120,153.67
  5. Step 5: Solve for x
    x = 3,901,120,153.67/67,004.42
  6. Step 6: Final answer
    x = 58,221.84

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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.