Home / 39,917.97-55,087.17-22,013.59

Finding the Fourth Proportional to 39,917.97, 55,087.17 and 22,013.59

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Solution

The fourth proportional to 39,917.97, 55,087.17 and 22,013.59 is: 30,378.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917.97 : 55,087.17 = 22,013.59 : x
  2. Step 2: Convert to fraction form
    39,917.97/55,087.17 = 22,013.59/x
  3. Step 3: Cross multiply
    39,917.97x = 55,087.17 × 22,013.59
  4. Step 4: Simplify right side
    39,917.97x = 1,212,666,374.64
  5. Step 5: Solve for x
    x = 1,212,666,374.64/39,917.97
  6. Step 6: Final answer
    x = 30,378.96

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1.5x scale

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.