Home / 39,917.07-55,083.69-22,909.50

Finding the Fourth Proportional to 39,917.07, 55,083.69 and 22,909.50

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Solution

The fourth proportional to 39,917.07, 55,083.69 and 22,909.50 is: 31,614.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917.07 : 55,083.69 = 22,909.50 : x
  2. Step 2: Convert to fraction form
    39,917.07/55,083.69 = 22,909.50/x
  3. Step 3: Cross multiply
    39,917.07x = 55,083.69 × 22,909.50
  4. Step 4: Simplify right side
    39,917.07x = 1,261,939,796.06
  5. Step 5: Solve for x
    x = 1,261,939,796.06/39,917.07
  6. Step 6: Final answer
    x = 31,614.04

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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.