Home / 36,173.05-49,917.65-20,039.69

Finding the Fourth Proportional to 36,173.05, 49,917.65 and 20,039.69

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Solution

The fourth proportional to 36,173.05, 49,917.65 and 20,039.69 is: 27,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,173.05 : 49,917.65 = 20,039.69 : x
  2. Step 2: Convert to fraction form
    36,173.05/49,917.65 = 20,039.69/x
  3. Step 3: Cross multiply
    36,173.05x = 49,917.65 × 20,039.69
  4. Step 4: Simplify right side
    36,173.05x = 1,000,334,256.12
  5. Step 5: Solve for x
    x = 1,000,334,256.12/36,173.05
  6. Step 6: Final answer
    x = 27,654.13

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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.