Home / 30,898.62-42,639.64-17,469.43

Finding the Fourth Proportional to 30,898.62, 42,639.64 and 17,469.43

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Solution

The fourth proportional to 30,898.62, 42,639.64 and 17,469.43 is: 24,107.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,898.62 : 42,639.64 = 17,469.43 : x
  2. Step 2: Convert to fraction form
    30,898.62/42,639.64 = 17,469.43/x
  3. Step 3: Cross multiply
    30,898.62x = 42,639.64 × 17,469.43
  4. Step 4: Simplify right side
    30,898.62x = 744,890,206.21
  5. Step 5: Solve for x
    x = 744,890,206.21/30,898.62
  6. Step 6: Final answer
    x = 24,107.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.