Home / 20,449.33-30,670.41-5,456.63

Finding the Fourth Proportional to 20,449.33, 30,670.41 and 5,456.63

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Solution

The fourth proportional to 20,449.33, 30,670.41 and 5,456.63 is: 8,183.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,449.33 : 30,670.41 = 5,456.63 : x
  2. Step 2: Convert to fraction form
    20,449.33/30,670.41 = 5,456.63/x
  3. Step 3: Cross multiply
    20,449.33x = 30,670.41 × 5,456.63
  4. Step 4: Simplify right side
    20,449.33x = 167,357,176.46
  5. Step 5: Solve for x
    x = 167,357,176.46/20,449.33
  6. Step 6: Final answer
    x = 8,183.99

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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.