Home / 20,539.41-30,795.83-8,060.68

Finding the Fourth Proportional to 20,539.41, 30,795.83 and 8,060.68

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Solution

The fourth proportional to 20,539.41, 30,795.83 and 8,060.68 is: 12,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,539.41 : 30,795.83 = 8,060.68 : x
  2. Step 2: Convert to fraction form
    20,539.41/30,795.83 = 8,060.68/x
  3. Step 3: Cross multiply
    20,539.41x = 30,795.83 × 8,060.68
  4. Step 4: Simplify right side
    20,539.41x = 248,235,359.38
  5. Step 5: Solve for x
    x = 248,235,359.38/20,539.41
  6. Step 6: Final answer
    x = 12,085.81

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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.