Home / 20,326.50-30,491.37-5,536.62

Finding the Fourth Proportional to 20,326.50, 30,491.37 and 5,536.62

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Solution

The fourth proportional to 20,326.50, 30,491.37 and 5,536.62 is: 8,305.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,326.50 : 30,491.37 = 5,536.62 : x
  2. Step 2: Convert to fraction form
    20,326.50/30,491.37 = 5,536.62/x
  3. Step 3: Cross multiply
    20,326.50x = 30,491.37 × 5,536.62
  4. Step 4: Simplify right side
    20,326.50x = 168,819,128.97
  5. Step 5: Solve for x
    x = 168,819,128.97/20,326.50
  6. Step 6: Final answer
    x = 8,305.37

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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.