Home / 69,306.53-103,972.61-21,933.55

Finding the Fourth Proportional to 69,306.53, 103,972.61 and 21,933.55

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Solution

The fourth proportional to 69,306.53, 103,972.61 and 21,933.55 is: 32,904.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,306.53 : 103,972.61 = 21,933.55 : x
  2. Step 2: Convert to fraction form
    69,306.53/103,972.61 = 21,933.55/x
  3. Step 3: Cross multiply
    69,306.53x = 103,972.61 × 21,933.55
  4. Step 4: Simplify right side
    69,306.53x = 2,280,487,810.53
  5. Step 5: Solve for x
    x = 2,280,487,810.53/69,306.53
  6. Step 6: Final answer
    x = 32,904.37

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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.