Home / 20,523.30-30,789.77-6,672.30

Finding the Fourth Proportional to 20,523.30, 30,789.77 and 6,672.30

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Solution

The fourth proportional to 20,523.30, 30,789.77 and 6,672.30 is: 10,010.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,523.30 : 30,789.77 = 6,672.30 : x
  2. Step 2: Convert to fraction form
    20,523.30/30,789.77 = 6,672.30/x
  3. Step 3: Cross multiply
    20,523.30x = 30,789.77 × 6,672.30
  4. Step 4: Simplify right side
    20,523.30x = 205,438,582.37
  5. Step 5: Solve for x
    x = 205,438,582.37/20,523.30
  6. Step 6: Final answer
    x = 10,010.02

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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.