Home / 36,817.65-55,250.69-20,189.39

Finding the Fourth Proportional to 36,817.65, 55,250.69 and 20,189.39

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Solution

The fourth proportional to 36,817.65, 55,250.69 and 20,189.39 is: 30,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,817.65 : 55,250.69 = 20,189.39 : x
  2. Step 2: Convert to fraction form
    36,817.65/55,250.69 = 20,189.39/x
  3. Step 3: Cross multiply
    36,817.65x = 55,250.69 × 20,189.39
  4. Step 4: Simplify right side
    36,817.65x = 1,115,477,350.98
  5. Step 5: Solve for x
    x = 1,115,477,350.98/36,817.65
  6. Step 6: Final answer
    x = 30,297.35

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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.