Home / 69,945.30-104,887.10-20,014.04

Finding the Fourth Proportional to 69,945.30, 104,887.10 and 20,014.04

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Solution

The fourth proportional to 69,945.30, 104,887.10 and 20,014.04 is: 30,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,945.30 : 104,887.10 = 20,014.04 : x
  2. Step 2: Convert to fraction form
    69,945.30/104,887.10 = 20,014.04/x
  3. Step 3: Cross multiply
    69,945.30x = 104,887.10 × 20,014.04
  4. Step 4: Simplify right side
    69,945.30x = 2,099,213,990.38
  5. Step 5: Solve for x
    x = 2,099,213,990.38/69,945.30
  6. Step 6: Final answer
    x = 30,012.22

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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.