Home / 30,202.77-45,304.61-10,481.96

Finding the Fourth Proportional to 30,202.77, 45,304.61 and 10,481.96

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Solution

The fourth proportional to 30,202.77, 45,304.61 and 10,481.96 is: 15,723.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,202.77 : 45,304.61 = 10,481.96 : x
  2. Step 2: Convert to fraction form
    30,202.77/45,304.61 = 10,481.96/x
  3. Step 3: Cross multiply
    30,202.77x = 45,304.61 × 10,481.96
  4. Step 4: Simplify right side
    30,202.77x = 474,880,830.90
  5. Step 5: Solve for x
    x = 474,880,830.90/30,202.77
  6. Step 6: Final answer
    x = 15,723.09

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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.