Home / 36,297.19-50,090.12-20,381.65

Finding the Fourth Proportional to 36,297.19, 50,090.12 and 20,381.65

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Solution

The fourth proportional to 36,297.19, 50,090.12 and 20,381.65 is: 28,126.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,297.19 : 50,090.12 = 20,381.65 : x
  2. Step 2: Convert to fraction form
    36,297.19/50,090.12 = 20,381.65/x
  3. Step 3: Cross multiply
    36,297.19x = 50,090.12 × 20,381.65
  4. Step 4: Simplify right side
    36,297.19x = 1,020,919,220.03
  5. Step 5: Solve for x
    x = 1,020,919,220.03/36,297.19
  6. Step 6: Final answer
    x = 28,126.68

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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.