Home / 20,042.97-30,035.70-11,259.41

Finding the Fourth Proportional to 20,042.97, 30,035.70 and 11,259.41

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Solution

The fourth proportional to 20,042.97, 30,035.70 and 11,259.41 is: 16,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.97 : 30,035.70 = 11,259.41 : x
  2. Step 2: Convert to fraction form
    20,042.97/30,035.70 = 11,259.41/x
  3. Step 3: Cross multiply
    20,042.97x = 30,035.70 × 11,259.41
  4. Step 4: Simplify right side
    20,042.97x = 338,184,110.76
  5. Step 5: Solve for x
    x = 338,184,110.76/20,042.97
  6. Step 6: Final answer
    x = 16,872.95

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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.