Home / 36,637.98-50,556.15-20,721.66

Finding the Fourth Proportional to 36,637.98, 50,556.15 and 20,721.66

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Solution

The fourth proportional to 36,637.98, 50,556.15 and 20,721.66 is: 28,593.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,637.98 : 50,556.15 = 20,721.66 : x
  2. Step 2: Convert to fraction form
    36,637.98/50,556.15 = 20,721.66/x
  3. Step 3: Cross multiply
    36,637.98x = 50,556.15 × 20,721.66
  4. Step 4: Simplify right side
    36,637.98x = 1,047,607,351.21
  5. Step 5: Solve for x
    x = 1,047,607,351.21/36,637.98
  6. Step 6: Final answer
    x = 28,593.48

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Double scale
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Similar ratio
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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.