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Finding the Fourth Proportional to 43,036, 64,554 and 13,852

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Solution

The fourth proportional to 43,036, 64,554 and 13,852 is: 20,778

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,036 : 64,554 = 13,852 : x
  2. Step 2: Convert to fraction form
    43,036/64,554 = 13,852/x
  3. Step 3: Cross multiply
    43,036x = 64,554 × 13,852
  4. Step 4: Simplify right side
    43,036x = 894,202,008
  5. Step 5: Solve for x
    x = 894,202,008/43,036
  6. Step 6: Final answer
    x = 20,778

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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.