Home / 40,217.49-55,495.68-22,308.03

Finding the Fourth Proportional to 40,217.49, 55,495.68 and 22,308.03

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Solution

The fourth proportional to 40,217.49, 55,495.68 and 22,308.03 is: 30,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,217.49 : 55,495.68 = 22,308.03 : x
  2. Step 2: Convert to fraction form
    40,217.49/55,495.68 = 22,308.03/x
  3. Step 3: Cross multiply
    40,217.49x = 55,495.68 × 22,308.03
  4. Step 4: Simplify right side
    40,217.49x = 1,237,999,294.31
  5. Step 5: Solve for x
    x = 1,237,999,294.31/40,217.49
  6. Step 6: Final answer
    x = 30,782.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.