Home / 30,150.30-45,227.58-7,963.44

Finding the Fourth Proportional to 30,150.30, 45,227.58 and 7,963.44

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Solution

The fourth proportional to 30,150.30, 45,227.58 and 7,963.44 is: 11,945.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,150.30 : 45,227.58 = 7,963.44 : x
  2. Step 2: Convert to fraction form
    30,150.30/45,227.58 = 7,963.44/x
  3. Step 3: Cross multiply
    30,150.30x = 45,227.58 × 7,963.44
  4. Step 4: Simplify right side
    30,150.30x = 360,167,119.68
  5. Step 5: Solve for x
    x = 360,167,119.68/30,150.30
  6. Step 6: Final answer
    x = 11,945.72

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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.