Home / 36,215.17-49,976.87-20,299.61

Finding the Fourth Proportional to 36,215.17, 49,976.87 and 20,299.61

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Solution

The fourth proportional to 36,215.17, 49,976.87 and 20,299.61 is: 28,013.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,215.17 : 49,976.87 = 20,299.61 : x
  2. Step 2: Convert to fraction form
    36,215.17/49,976.87 = 20,299.61/x
  3. Step 3: Cross multiply
    36,215.17x = 49,976.87 × 20,299.61
  4. Step 4: Simplify right side
    36,215.17x = 1,014,510,993.46
  5. Step 5: Solve for x
    x = 1,014,510,993.46/36,215.17
  6. Step 6: Final answer
    x = 28,013.43

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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.