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Finding the Fourth Proportional to 30,245.66, 45,377.70 and 15,464.96

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Solution

The fourth proportional to 30,245.66, 45,377.70 and 15,464.96 is: 23,202.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,245.66 : 45,377.70 = 15,464.96 : x
  2. Step 2: Convert to fraction form
    30,245.66/45,377.70 = 15,464.96/x
  3. Step 3: Cross multiply
    30,245.66x = 45,377.70 × 15,464.96
  4. Step 4: Simplify right side
    30,245.66x = 701,764,315.39
  5. Step 5: Solve for x
    x = 701,764,315.39/30,245.66
  6. Step 6: Final answer
    x = 23,202.15

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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.