Home / 69,419.38-104,133.10-19,503.37

Finding the Fourth Proportional to 69,419.38, 104,133.10 and 19,503.37

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Solution

The fourth proportional to 69,419.38, 104,133.10 and 19,503.37 is: 29,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,419.38 : 104,133.10 = 19,503.37 : x
  2. Step 2: Convert to fraction form
    69,419.38/104,133.10 = 19,503.37/x
  3. Step 3: Cross multiply
    69,419.38x = 104,133.10 × 19,503.37
  4. Step 4: Simplify right side
    69,419.38x = 2,030,945,857.88
  5. Step 5: Solve for x
    x = 2,030,945,857.88/69,419.38
  6. Step 6: Final answer
    x = 29,256.18

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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.