Home / 36,031.27-49,721.09-20,116.73

Finding the Fourth Proportional to 36,031.27, 49,721.09 and 20,116.73

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Solution

The fourth proportional to 36,031.27, 49,721.09 and 20,116.73 is: 27,759.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,031.27 : 49,721.09 = 20,116.73 : x
  2. Step 2: Convert to fraction form
    36,031.27/49,721.09 = 20,116.73/x
  3. Step 3: Cross multiply
    36,031.27x = 49,721.09 × 20,116.73
  4. Step 4: Simplify right side
    36,031.27x = 1,000,225,742.84
  5. Step 5: Solve for x
    x = 1,000,225,742.84/36,031.27
  6. Step 6: Final answer
    x = 27,759.94

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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.