Home / 69,961.15-104,910.76-20,029.87

Finding the Fourth Proportional to 69,961.15, 104,910.76 and 20,029.87

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Solution

The fourth proportional to 69,961.15, 104,910.76 and 20,029.87 is: 30,035.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,961.15 : 104,910.76 = 20,029.87 : x
  2. Step 2: Convert to fraction form
    69,961.15/104,910.76 = 20,029.87/x
  3. Step 3: Cross multiply
    69,961.15x = 104,910.76 × 20,029.87
  4. Step 4: Simplify right side
    69,961.15x = 2,101,348,884.40
  5. Step 5: Solve for x
    x = 2,101,348,884.40/69,961.15
  6. Step 6: Final answer
    x = 30,035.94

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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.