Home / 47,609.09-71,418.37-17,631.35

Finding the Fourth Proportional to 47,609.09, 71,418.37 and 17,631.35

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Solution

The fourth proportional to 47,609.09, 71,418.37 and 17,631.35 is: 26,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,609.09 : 71,418.37 = 17,631.35 : x
  2. Step 2: Convert to fraction form
    47,609.09/71,418.37 = 17,631.35/x
  3. Step 3: Cross multiply
    47,609.09x = 71,418.37 × 17,631.35
  4. Step 4: Simplify right side
    47,609.09x = 1,259,202,277.90
  5. Step 5: Solve for x
    x = 1,259,202,277.90/47,609.09
  6. Step 6: Final answer
    x = 26,448.78

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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.