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Finding the Fourth Proportional to 36,395, 54,534 and 30,563

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Solution

The fourth proportional to 36,395, 54,534 and 30,563 is: 45,795.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,395 : 54,534 = 30,563 : x
  2. Step 2: Convert to fraction form
    36,395/54,534 = 30,563/x
  3. Step 3: Cross multiply
    36,395x = 54,534 × 30,563
  4. Step 4: Simplify right side
    36,395x = 1,666,722,642
  5. Step 5: Solve for x
    x = 1,666,722,642/36,395
  6. Step 6: Final answer
    x = 45,795.37

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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.