Home / 30,180.32-45,258.96-16,321.76

Finding the Fourth Proportional to 30,180.32, 45,258.96 and 16,321.76

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Solution

The fourth proportional to 30,180.32, 45,258.96 and 16,321.76 is: 24,476.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,180.32 : 45,258.96 = 16,321.76 : x
  2. Step 2: Convert to fraction form
    30,180.32/45,258.96 = 16,321.76/x
  3. Step 3: Cross multiply
    30,180.32x = 45,258.96 × 16,321.76
  4. Step 4: Simplify right side
    30,180.32x = 738,705,882.97
  5. Step 5: Solve for x
    x = 738,705,882.97/30,180.32
  6. Step 6: Final answer
    x = 24,476.41

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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.