Home / 30,309.10-45,463.65-9,249.25

Finding the Fourth Proportional to 30,309.10, 45,463.65 and 9,249.25

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Solution

The fourth proportional to 30,309.10, 45,463.65 and 9,249.25 is: 13,873.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,309.10 : 45,463.65 = 9,249.25 : x
  2. Step 2: Convert to fraction form
    30,309.10/45,463.65 = 9,249.25/x
  3. Step 3: Cross multiply
    30,309.10x = 45,463.65 × 9,249.25
  4. Step 4: Simplify right side
    30,309.10x = 420,504,664.76
  5. Step 5: Solve for x
    x = 420,504,664.76/30,309.10
  6. Step 6: Final answer
    x = 13,873.88

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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.