Home / 39,914.66-55,084.56-22,013.48

Finding the Fourth Proportional to 39,914.66, 55,084.56 and 22,013.48

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Solution

The fourth proportional to 39,914.66, 55,084.56 and 22,013.48 is: 30,379.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,914.66 : 55,084.56 = 22,013.48 : x
  2. Step 2: Convert to fraction form
    39,914.66/55,084.56 = 22,013.48/x
  3. Step 3: Cross multiply
    39,914.66x = 55,084.56 × 22,013.48
  4. Step 4: Simplify right side
    39,914.66x = 1,212,602,859.87
  5. Step 5: Solve for x
    x = 1,212,602,859.87/39,914.66
  6. Step 6: Final answer
    x = 30,379.89

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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.