Home / 20,488.20-30,741.48-9,952.44

Finding the Fourth Proportional to 20,488.20, 30,741.48 and 9,952.44

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Solution

The fourth proportional to 20,488.20, 30,741.48 and 9,952.44 is: 14,933.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,488.20 : 30,741.48 = 9,952.44 : x
  2. Step 2: Convert to fraction form
    20,488.20/30,741.48 = 9,952.44/x
  3. Step 3: Cross multiply
    20,488.20x = 30,741.48 × 9,952.44
  4. Step 4: Simplify right side
    20,488.20x = 305,952,735.21
  5. Step 5: Solve for x
    x = 305,952,735.21/20,488.20
  6. Step 6: Final answer
    x = 14,933.12

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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.