Home / 20,230.40-30,342.80-5,998.48

Finding the Fourth Proportional to 20,230.40, 30,342.80 and 5,998.48

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Solution

The fourth proportional to 20,230.40, 30,342.80 and 5,998.48 is: 8,996.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.40 : 30,342.80 = 5,998.48 : x
  2. Step 2: Convert to fraction form
    20,230.40/30,342.80 = 5,998.48/x
  3. Step 3: Cross multiply
    20,230.40x = 30,342.80 × 5,998.48
  4. Step 4: Simplify right side
    20,230.40x = 182,010,678.94
  5. Step 5: Solve for x
    x = 182,010,678.94/20,230.40
  6. Step 6: Final answer
    x = 8,996.89

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Similar ratio
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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.