Home / 30,099.33-45,149.43-14,305.97

Finding the Fourth Proportional to 30,099.33, 45,149.43 and 14,305.97

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Solution

The fourth proportional to 30,099.33, 45,149.43 and 14,305.97 is: 21,459.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,099.33 : 45,149.43 = 14,305.97 : x
  2. Step 2: Convert to fraction form
    30,099.33/45,149.43 = 14,305.97/x
  3. Step 3: Cross multiply
    30,099.33x = 45,149.43 × 14,305.97
  4. Step 4: Simplify right side
    30,099.33x = 645,906,557.62
  5. Step 5: Solve for x
    x = 645,906,557.62/30,099.33
  6. Step 6: Final answer
    x = 21,459.17

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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.