Home / 36,819.36-55,235.93-20,170.22

Finding the Fourth Proportional to 36,819.36, 55,235.93 and 20,170.22

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Solution

The fourth proportional to 36,819.36, 55,235.93 and 20,170.22 is: 30,259.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,819.36 : 55,235.93 = 20,170.22 : x
  2. Step 2: Convert to fraction form
    36,819.36/55,235.93 = 20,170.22/x
  3. Step 3: Cross multiply
    36,819.36x = 55,235.93 × 20,170.22
  4. Step 4: Simplify right side
    36,819.36x = 1,114,120,482.97
  5. Step 5: Solve for x
    x = 1,114,120,482.97/36,819.36
  6. Step 6: Final answer
    x = 30,259.09

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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.