Home / 30,150.19-45,227.45-7,963.35

Finding the Fourth Proportional to 30,150.19, 45,227.45 and 7,963.35

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Solution

The fourth proportional to 30,150.19, 45,227.45 and 7,963.35 is: 11,945.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,150.19 : 45,227.45 = 7,963.35 : x
  2. Step 2: Convert to fraction form
    30,150.19/45,227.45 = 7,963.35/x
  3. Step 3: Cross multiply
    30,150.19x = 45,227.45 × 7,963.35
  4. Step 4: Simplify right side
    30,150.19x = 360,161,819.47
  5. Step 5: Solve for x
    x = 360,161,819.47/30,150.19
  6. Step 6: Final answer
    x = 11,945.59

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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.