Home / 43,214.42-64,821.62-13,635.25

Finding the Fourth Proportional to 43,214.42, 64,821.62 and 13,635.25

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Solution

The fourth proportional to 43,214.42, 64,821.62 and 13,635.25 is: 20,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,214.42 : 64,821.62 = 13,635.25 : x
  2. Step 2: Convert to fraction form
    43,214.42/64,821.62 = 13,635.25/x
  3. Step 3: Cross multiply
    43,214.42x = 64,821.62 × 13,635.25
  4. Step 4: Simplify right side
    43,214.42x = 883,858,866.14
  5. Step 5: Solve for x
    x = 883,858,866.14/43,214.42
  6. Step 6: Final answer
    x = 20,452.87

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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.