Home / 20,326.91-30,484.89-5,532.31

Finding the Fourth Proportional to 20,326.91, 30,484.89 and 5,532.31

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Solution

The fourth proportional to 20,326.91, 30,484.89 and 5,532.31 is: 8,296.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,326.91 : 30,484.89 = 5,532.31 : x
  2. Step 2: Convert to fraction form
    20,326.91/30,484.89 = 5,532.31/x
  3. Step 3: Cross multiply
    20,326.91x = 30,484.89 × 5,532.31
  4. Step 4: Simplify right side
    20,326.91x = 168,651,861.80
  5. Step 5: Solve for x
    x = 168,651,861.80/20,326.91
  6. Step 6: Final answer
    x = 8,296.97

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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.