Home / 30,286.47-41,794.72-18,962.21

Finding the Fourth Proportional to 30,286.47, 41,794.72 and 18,962.21

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Solution

The fourth proportional to 30,286.47, 41,794.72 and 18,962.21 is: 26,167.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286.47 : 41,794.72 = 18,962.21 : x
  2. Step 2: Convert to fraction form
    30,286.47/41,794.72 = 18,962.21/x
  3. Step 3: Cross multiply
    30,286.47x = 41,794.72 × 18,962.21
  4. Step 4: Simplify right side
    30,286.47x = 792,520,257.53
  5. Step 5: Solve for x
    x = 792,520,257.53/30,286.47
  6. Step 6: Final answer
    x = 26,167.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.