Home / 47,609.39-71,414.80-18,019.28

Finding the Fourth Proportional to 47,609.39, 71,414.80 and 18,019.28

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Solution

The fourth proportional to 47,609.39, 71,414.80 and 18,019.28 is: 27,029.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,609.39 : 71,414.80 = 18,019.28 : x
  2. Step 2: Convert to fraction form
    47,609.39/71,414.80 = 18,019.28/x
  3. Step 3: Cross multiply
    47,609.39x = 71,414.80 × 18,019.28
  4. Step 4: Simplify right side
    47,609.39x = 1,286,843,410.83
  5. Step 5: Solve for x
    x = 1,286,843,410.83/47,609.39
  6. Step 6: Final answer
    x = 27,029.19

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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.