Home / 30,229.62-41,720.25-18,292.71

Finding the Fourth Proportional to 30,229.62, 41,720.25 and 18,292.71

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Solution

The fourth proportional to 30,229.62, 41,720.25 and 18,292.71 is: 25,245.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,229.62 : 41,720.25 = 18,292.71 : x
  2. Step 2: Convert to fraction form
    30,229.62/41,720.25 = 18,292.71/x
  3. Step 3: Cross multiply
    30,229.62x = 41,720.25 × 18,292.71
  4. Step 4: Simplify right side
    30,229.62x = 763,176,434.38
  5. Step 5: Solve for x
    x = 763,176,434.38/30,229.62
  6. Step 6: Final answer
    x = 25,245.98

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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.