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Finding the Fourth Proportional to 54,504.75, 75,222.78 and 30,308.12

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Solution

The fourth proportional to 54,504.75, 75,222.78 and 30,308.12 is: 41,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,504.75 : 75,222.78 = 30,308.12 : x
  2. Step 2: Convert to fraction form
    54,504.75/75,222.78 = 30,308.12/x
  3. Step 3: Cross multiply
    54,504.75x = 75,222.78 × 30,308.12
  4. Step 4: Simplify right side
    54,504.75x = 2,279,861,258.42
  5. Step 5: Solve for x
    x = 2,279,861,258.42/54,504.75
  6. Step 6: Final answer
    x = 41,828.67

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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.