Home / 30,444.39-41,998.97-18,499.73

Finding the Fourth Proportional to 30,444.39, 41,998.97 and 18,499.73

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Solution

The fourth proportional to 30,444.39, 41,998.97 and 18,499.73 is: 25,520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,444.39 : 41,998.97 = 18,499.73 : x
  2. Step 2: Convert to fraction form
    30,444.39/41,998.97 = 18,499.73/x
  3. Step 3: Cross multiply
    30,444.39x = 41,998.97 × 18,499.73
  4. Step 4: Simplify right side
    30,444.39x = 776,969,441.53
  5. Step 5: Solve for x
    x = 776,969,441.53/30,444.39
  6. Step 6: Final answer
    x = 25,520.94

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.