Home / 79,546.68-119,317.20-20,382.90

Finding the Fourth Proportional to 79,546.68, 119,317.20 and 20,382.90

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Solution

The fourth proportional to 79,546.68, 119,317.20 and 20,382.90 is: 30,573.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,546.68 : 119,317.20 = 20,382.90 : x
  2. Step 2: Convert to fraction form
    79,546.68/119,317.20 = 20,382.90/x
  3. Step 3: Cross multiply
    79,546.68x = 119,317.20 × 20,382.90
  4. Step 4: Simplify right side
    79,546.68x = 2,432,030,555.88
  5. Step 5: Solve for x
    x = 2,432,030,555.88/79,546.68
  6. Step 6: Final answer
    x = 30,573.63

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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.