Home / 67,338.36-100,993.35-19,953.86

Finding the Fourth Proportional to 67,338.36, 100,993.35 and 19,953.86

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Solution

The fourth proportional to 67,338.36, 100,993.35 and 19,953.86 is: 29,926.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,338.36 : 100,993.35 = 19,953.86 : x
  2. Step 2: Convert to fraction form
    67,338.36/100,993.35 = 19,953.86/x
  3. Step 3: Cross multiply
    67,338.36x = 100,993.35 × 19,953.86
  4. Step 4: Simplify right side
    67,338.36x = 2,015,206,661.86
  5. Step 5: Solve for x
    x = 2,015,206,661.86/67,338.36
  6. Step 6: Final answer
    x = 29,926.58

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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.