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Finding the Fourth Proportional to 36,489.71, 54,751.58 and 35,900.03

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Solution

The fourth proportional to 36,489.71, 54,751.58 and 35,900.03 is: 53,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,489.71 : 54,751.58 = 35,900.03 : x
  2. Step 2: Convert to fraction form
    36,489.71/54,751.58 = 35,900.03/x
  3. Step 3: Cross multiply
    36,489.71x = 54,751.58 × 35,900.03
  4. Step 4: Simplify right side
    36,489.71x = 1,965,582,911.29
  5. Step 5: Solve for x
    x = 1,965,582,911.29/36,489.71
  6. Step 6: Final answer
    x = 53,866.78

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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.