Home / 20,243.58-30,365.91-5,452.49

Finding the Fourth Proportional to 20,243.58, 30,365.91 and 5,452.49

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Solution

The fourth proportional to 20,243.58, 30,365.91 and 5,452.49 is: 8,178.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,243.58 : 30,365.91 = 5,452.49 : x
  2. Step 2: Convert to fraction form
    20,243.58/30,365.91 = 5,452.49/x
  3. Step 3: Cross multiply
    20,243.58x = 30,365.91 × 5,452.49
  4. Step 4: Simplify right side
    20,243.58x = 165,569,668.79
  5. Step 5: Solve for x
    x = 165,569,668.79/20,243.58
  6. Step 6: Final answer
    x = 8,178.87

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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.