Home / 30,245.56-45,328.86-15,441.96

Finding the Fourth Proportional to 30,245.56, 45,328.86 and 15,441.96

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Solution

The fourth proportional to 30,245.56, 45,328.86 and 15,441.96 is: 23,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,245.56 : 45,328.86 = 15,441.96 : x
  2. Step 2: Convert to fraction form
    30,245.56/45,328.86 = 15,441.96/x
  3. Step 3: Cross multiply
    30,245.56x = 45,328.86 × 15,441.96
  4. Step 4: Simplify right side
    30,245.56x = 699,966,442.97
  5. Step 5: Solve for x
    x = 699,966,442.97/30,245.56
  6. Step 6: Final answer
    x = 23,142.78

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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.