Home / 36,181.89-54,264.33-20,393.78

Finding the Fourth Proportional to 36,181.89, 54,264.33 and 20,393.78

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Solution

The fourth proportional to 36,181.89, 54,264.33 and 20,393.78 is: 30,585.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,181.89 : 54,264.33 = 20,393.78 : x
  2. Step 2: Convert to fraction form
    36,181.89/54,264.33 = 20,393.78/x
  3. Step 3: Cross multiply
    36,181.89x = 54,264.33 × 20,393.78
  4. Step 4: Simplify right side
    36,181.89x = 1,106,654,536.55
  5. Step 5: Solve for x
    x = 1,106,654,536.55/36,181.89
  6. Step 6: Final answer
    x = 30,585.87

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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.