Home / 43,243.29-64,873.04-13,668.57

Finding the Fourth Proportional to 43,243.29, 64,873.04 and 13,668.57

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Solution

The fourth proportional to 43,243.29, 64,873.04 and 13,668.57 is: 20,505.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,243.29 : 64,873.04 = 13,668.57 : x
  2. Step 2: Convert to fraction form
    43,243.29/64,873.04 = 13,668.57/x
  3. Step 3: Cross multiply
    43,243.29x = 64,873.04 × 13,668.57
  4. Step 4: Simplify right side
    43,243.29x = 886,721,620.01
  5. Step 5: Solve for x
    x = 886,721,620.01/43,243.29
  6. Step 6: Final answer
    x = 20,505.42

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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.