Home / 69,966.38-104,918.67-20,035.13

Finding the Fourth Proportional to 69,966.38, 104,918.67 and 20,035.13

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Solution

The fourth proportional to 69,966.38, 104,918.67 and 20,035.13 is: 30,043.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,966.38 : 104,918.67 = 20,035.13 : x
  2. Step 2: Convert to fraction form
    69,966.38/104,918.67 = 20,035.13/x
  3. Step 3: Cross multiply
    69,966.38x = 104,918.67 × 20,035.13
  4. Step 4: Simplify right side
    69,966.38x = 2,102,059,192.88
  5. Step 5: Solve for x
    x = 2,102,059,192.88/69,966.38
  6. Step 6: Final answer
    x = 30,043.85

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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.