Home / 69,973.62-104,966.07-21,938.94

Finding the Fourth Proportional to 69,973.62, 104,966.07 and 21,938.94

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Solution

The fourth proportional to 69,973.62, 104,966.07 and 21,938.94 is: 32,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,973.62 : 104,966.07 = 21,938.94 : x
  2. Step 2: Convert to fraction form
    69,973.62/104,966.07 = 21,938.94/x
  3. Step 3: Cross multiply
    69,973.62x = 104,966.07 × 21,938.94
  4. Step 4: Simplify right side
    69,973.62x = 2,302,844,311.77
  5. Step 5: Solve for x
    x = 2,302,844,311.77/69,973.62
  6. Step 6: Final answer
    x = 32,910.18

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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.