Home / 20,366.27-30,549.42-5,575.31

Finding the Fourth Proportional to 20,366.27, 30,549.42 and 5,575.31

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Solution

The fourth proportional to 20,366.27, 30,549.42 and 5,575.31 is: 8,362.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366.27 : 30,549.42 = 5,575.31 : x
  2. Step 2: Convert to fraction form
    20,366.27/30,549.42 = 5,575.31/x
  3. Step 3: Cross multiply
    20,366.27x = 30,549.42 × 5,575.31
  4. Step 4: Simplify right side
    20,366.27x = 170,322,448.63
  5. Step 5: Solve for x
    x = 170,322,448.63/20,366.27
  6. Step 6: Final answer
    x = 8,362.97

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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.