Home / 69,963.28-104,913.96-20,032

Finding the Fourth Proportional to 69,963.28, 104,913.96 and 20,032

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Solution

The fourth proportional to 69,963.28, 104,913.96 and 20,032 is: 30,039.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,963.28 : 104,913.96 = 20,032 : x
  2. Step 2: Convert to fraction form
    69,963.28/104,913.96 = 20,032/x
  3. Step 3: Cross multiply
    69,963.28x = 104,913.96 × 20,032
  4. Step 4: Simplify right side
    69,963.28x = 2,101,636,446.72
  5. Step 5: Solve for x
    x = 2,101,636,446.72/69,963.28
  6. Step 6: Final answer
    x = 30,039.14

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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.