Home / 52,814.43-79,221.83-13,371.53

Finding the Fourth Proportional to 52,814.43, 79,221.83 and 13,371.53

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Solution

The fourth proportional to 52,814.43, 79,221.83 and 13,371.53 is: 20,057.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,814.43 : 79,221.83 = 13,371.53 : x
  2. Step 2: Convert to fraction form
    52,814.43/79,221.83 = 13,371.53/x
  3. Step 3: Cross multiply
    52,814.43x = 79,221.83 × 13,371.53
  4. Step 4: Simplify right side
    52,814.43x = 1,059,316,613.53
  5. Step 5: Solve for x
    x = 1,059,316,613.53/52,814.43
  6. Step 6: Final answer
    x = 20,057.33

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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.