Home / 36,775.05-55,170.78-13,401.49

Finding the Fourth Proportional to 36,775.05, 55,170.78 and 13,401.49

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Solution

The fourth proportional to 36,775.05, 55,170.78 and 13,401.49 is: 20,105.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,775.05 : 55,170.78 = 13,401.49 : x
  2. Step 2: Convert to fraction form
    36,775.05/55,170.78 = 13,401.49/x
  3. Step 3: Cross multiply
    36,775.05x = 55,170.78 × 13,401.49
  4. Step 4: Simplify right side
    36,775.05x = 739,370,821.12
  5. Step 5: Solve for x
    x = 739,370,821.12/36,775.05
  6. Step 6: Final answer
    x = 20,105.23

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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.