Home / 69,306.67-103,972.83-21,933.69

Finding the Fourth Proportional to 69,306.67, 103,972.83 and 21,933.69

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Solution

The fourth proportional to 69,306.67, 103,972.83 and 21,933.69 is: 32,904.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,306.67 : 103,972.83 = 21,933.69 : x
  2. Step 2: Convert to fraction form
    69,306.67/103,972.83 = 21,933.69/x
  3. Step 3: Cross multiply
    69,306.67x = 103,972.83 × 21,933.69
  4. Step 4: Simplify right side
    69,306.67x = 2,280,507,821.64
  5. Step 5: Solve for x
    x = 2,280,507,821.64/69,306.67
  6. Step 6: Final answer
    x = 32,904.59

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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.