Home / 20,042.94-30,092.22-12,625.50

Finding the Fourth Proportional to 20,042.94, 30,092.22 and 12,625.50

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Solution

The fourth proportional to 20,042.94, 30,092.22 and 12,625.50 is: 18,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.94 : 30,092.22 = 12,625.50 : x
  2. Step 2: Convert to fraction form
    20,042.94/30,092.22 = 12,625.50/x
  3. Step 3: Cross multiply
    20,042.94x = 30,092.22 × 12,625.50
  4. Step 4: Simplify right side
    20,042.94x = 379,929,323.61
  5. Step 5: Solve for x
    x = 379,929,323.61/20,042.94
  6. Step 6: Final answer
    x = 18,955.77

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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.