Home / 34,743.76-52,131.36-13,678

Finding the Fourth Proportional to 34,743.76, 52,131.36 and 13,678

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Solution

The fourth proportional to 34,743.76, 52,131.36 and 13,678 is: 20,523.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,743.76 : 52,131.36 = 13,678 : x
  2. Step 2: Convert to fraction form
    34,743.76/52,131.36 = 13,678/x
  3. Step 3: Cross multiply
    34,743.76x = 52,131.36 × 13,678
  4. Step 4: Simplify right side
    34,743.76x = 713,052,742.08
  5. Step 5: Solve for x
    x = 713,052,742.08/34,743.76
  6. Step 6: Final answer
    x = 20,523.19

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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.