Home / 20,366.54-30,549.82-5,575.58

Finding the Fourth Proportional to 20,366.54, 30,549.82 and 5,575.58

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Solution

The fourth proportional to 20,366.54, 30,549.82 and 5,575.58 is: 8,363.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366.54 : 30,549.82 = 5,575.58 : x
  2. Step 2: Convert to fraction form
    20,366.54/30,549.82 = 5,575.58/x
  3. Step 3: Cross multiply
    20,366.54x = 30,549.82 × 5,575.58
  4. Step 4: Simplify right side
    20,366.54x = 170,332,965.40
  5. Step 5: Solve for x
    x = 170,332,965.40/20,366.54
  6. Step 6: Final answer
    x = 8,363.37

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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.