Home / 67,237.37-100,832.53-19,839.89

Finding the Fourth Proportional to 67,237.37, 100,832.53 and 19,839.89

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Solution

The fourth proportional to 67,237.37, 100,832.53 and 19,839.89 is: 29,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,237.37 : 100,832.53 = 19,839.89 : x
  2. Step 2: Convert to fraction form
    67,237.37/100,832.53 = 19,839.89/x
  3. Step 3: Cross multiply
    67,237.37x = 100,832.53 × 19,839.89
  4. Step 4: Simplify right side
    67,237.37x = 2,000,505,976.12
  5. Step 5: Solve for x
    x = 2,000,505,976.12/67,237.37
  6. Step 6: Final answer
    x = 29,752.89

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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.