Home / 20,039.58-30,057.35-6,892.88

Finding the Fourth Proportional to 20,039.58, 30,057.35 and 6,892.88

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Solution

The fourth proportional to 20,039.58, 30,057.35 and 6,892.88 is: 10,338.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039.58 : 30,057.35 = 6,892.88 : x
  2. Step 2: Convert to fraction form
    20,039.58/30,057.35 = 6,892.88/x
  3. Step 3: Cross multiply
    20,039.58x = 30,057.35 × 6,892.88
  4. Step 4: Simplify right side
    20,039.58x = 207,181,521.92
  5. Step 5: Solve for x
    x = 207,181,521.92/20,039.58
  6. Step 6: Final answer
    x = 10,338.62

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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.