Home / 20,060.58-30,072.42-6,909.82

Finding the Fourth Proportional to 20,060.58, 30,072.42 and 6,909.82

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Solution

The fourth proportional to 20,060.58, 30,072.42 and 6,909.82 is: 10,358.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,060.58 : 30,072.42 = 6,909.82 : x
  2. Step 2: Convert to fraction form
    20,060.58/30,072.42 = 6,909.82/x
  3. Step 3: Cross multiply
    20,060.58x = 30,072.42 × 6,909.82
  4. Step 4: Simplify right side
    20,060.58x = 207,795,009.16
  5. Step 5: Solve for x
    x = 207,795,009.16/20,060.58
  6. Step 6: Final answer
    x = 10,358.37

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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.