Home / 30,768.94-46,153.42-9,992.44

Finding the Fourth Proportional to 30,768.94, 46,153.42 and 9,992.44

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Solution

The fourth proportional to 30,768.94, 46,153.42 and 9,992.44 is: 14,988.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,768.94 : 46,153.42 = 9,992.44 : x
  2. Step 2: Convert to fraction form
    30,768.94/46,153.42 = 9,992.44/x
  3. Step 3: Cross multiply
    30,768.94x = 46,153.42 × 9,992.44
  4. Step 4: Simplify right side
    30,768.94x = 461,185,280.14
  5. Step 5: Solve for x
    x = 461,185,280.14/30,768.94
  6. Step 6: Final answer
    x = 14,988.66

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Double scale
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Similar ratio
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1.5x scale

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.