Home / 39,917.66-55,088.70-22,016.48

Finding the Fourth Proportional to 39,917.66, 55,088.70 and 22,016.48

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Solution

The fourth proportional to 39,917.66, 55,088.70 and 22,016.48 is: 30,384.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917.66 : 55,088.70 = 22,016.48 : x
  2. Step 2: Convert to fraction form
    39,917.66/55,088.70 = 22,016.48/x
  3. Step 3: Cross multiply
    39,917.66x = 55,088.70 × 22,016.48
  4. Step 4: Simplify right side
    39,917.66x = 1,212,859,261.78
  5. Step 5: Solve for x
    x = 1,212,859,261.78/39,917.66
  6. Step 6: Final answer
    x = 30,384.03

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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.