Home / 36,786.17-55,203.48-20,157.89

Finding the Fourth Proportional to 36,786.17, 55,203.48 and 20,157.89

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Solution

The fourth proportional to 36,786.17, 55,203.48 and 20,157.89 is: 30,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,786.17 : 55,203.48 = 20,157.89 : x
  2. Step 2: Convert to fraction form
    36,786.17/55,203.48 = 20,157.89/x
  3. Step 3: Cross multiply
    36,786.17x = 55,203.48 × 20,157.89
  4. Step 4: Simplify right side
    36,786.17x = 1,112,785,401.44
  5. Step 5: Solve for x
    x = 1,112,785,401.44/36,786.17
  6. Step 6: Final answer
    x = 30,250.10

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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.