Home / 43,214.38-64,821.58-13,634.53

Finding the Fourth Proportional to 43,214.38, 64,821.58 and 13,634.53

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Solution

The fourth proportional to 43,214.38, 64,821.58 and 13,634.53 is: 20,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,214.38 : 64,821.58 = 13,634.53 : x
  2. Step 2: Convert to fraction form
    43,214.38/64,821.58 = 13,634.53/x
  3. Step 3: Cross multiply
    43,214.38x = 64,821.58 × 13,634.53
  4. Step 4: Simplify right side
    43,214.38x = 883,811,581.02
  5. Step 5: Solve for x
    x = 883,811,581.02/43,214.38
  6. Step 6: Final answer
    x = 20,451.79

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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.