Home / 20,606.20-30,909.30-5,023.96

Finding the Fourth Proportional to 20,606.20, 30,909.30 and 5,023.96

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Solution

The fourth proportional to 20,606.20, 30,909.30 and 5,023.96 is: 7,535.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,606.20 : 30,909.30 = 5,023.96 : x
  2. Step 2: Convert to fraction form
    20,606.20/30,909.30 = 5,023.96/x
  3. Step 3: Cross multiply
    20,606.20x = 30,909.30 × 5,023.96
  4. Step 4: Simplify right side
    20,606.20x = 155,287,086.83
  5. Step 5: Solve for x
    x = 155,287,086.83/20,606.20
  6. Step 6: Final answer
    x = 7,535.94

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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.