Home / 36,126.64-54,181.45-20,338.53

Finding the Fourth Proportional to 36,126.64, 54,181.45 and 20,338.53

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Solution

The fourth proportional to 36,126.64, 54,181.45 and 20,338.53 is: 30,503.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,126.64 : 54,181.45 = 20,338.53 : x
  2. Step 2: Convert to fraction form
    36,126.64/54,181.45 = 20,338.53/x
  3. Step 3: Cross multiply
    36,126.64x = 54,181.45 × 20,338.53
  4. Step 4: Simplify right side
    36,126.64x = 1,101,971,046.27
  5. Step 5: Solve for x
    x = 1,101,971,046.27/36,126.64
  6. Step 6: Final answer
    x = 30,503.00

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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.