Home / 30,664.16-45,990.42-9,601

Finding the Fourth Proportional to 30,664.16, 45,990.42 and 9,601

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Solution

The fourth proportional to 30,664.16, 45,990.42 and 9,601 is: 14,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,664.16 : 45,990.42 = 9,601 : x
  2. Step 2: Convert to fraction form
    30,664.16/45,990.42 = 9,601/x
  3. Step 3: Cross multiply
    30,664.16x = 45,990.42 × 9,601
  4. Step 4: Simplify right side
    30,664.16x = 441,554,022.42
  5. Step 5: Solve for x
    x = 441,554,022.42/30,664.16
  6. Step 6: Final answer
    x = 14,399.68

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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.