Home / 20,028.61-30,042.89-8,341.82

Finding the Fourth Proportional to 20,028.61, 30,042.89 and 8,341.82

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Solution

The fourth proportional to 20,028.61, 30,042.89 and 8,341.82 is: 12,512.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028.61 : 30,042.89 = 8,341.82 : x
  2. Step 2: Convert to fraction form
    20,028.61/30,042.89 = 8,341.82/x
  3. Step 3: Cross multiply
    20,028.61x = 30,042.89 × 8,341.82
  4. Step 4: Simplify right side
    20,028.61x = 250,612,188.74
  5. Step 5: Solve for x
    x = 250,612,188.74/20,028.61
  6. Step 6: Final answer
    x = 12,512.71

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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.