Home / 36,987.49-50,982.76-28,906.88

Finding the Fourth Proportional to 36,987.49, 50,982.76 and 28,906.88

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Solution

The fourth proportional to 36,987.49, 50,982.76 and 28,906.88 is: 39,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,987.49 : 50,982.76 = 28,906.88 : x
  2. Step 2: Convert to fraction form
    36,987.49/50,982.76 = 28,906.88/x
  3. Step 3: Cross multiply
    36,987.49x = 50,982.76 × 28,906.88
  4. Step 4: Simplify right side
    36,987.49x = 1,473,752,306.61
  5. Step 5: Solve for x
    x = 1,473,752,306.61/36,987.49
  6. Step 6: Final answer
    x = 39,844.61

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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.