Home / 43,566.78-65,358.66-13,982.34

Finding the Fourth Proportional to 43,566.78, 65,358.66 and 13,982.34

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Solution

The fourth proportional to 43,566.78, 65,358.66 and 13,982.34 is: 20,976.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,566.78 : 65,358.66 = 13,982.34 : x
  2. Step 2: Convert to fraction form
    43,566.78/65,358.66 = 13,982.34/x
  3. Step 3: Cross multiply
    43,566.78x = 65,358.66 × 13,982.34
  4. Step 4: Simplify right side
    43,566.78x = 913,867,006.06
  5. Step 5: Solve for x
    x = 913,867,006.06/43,566.78
  6. Step 6: Final answer
    x = 20,976.23

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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.