Home / 39,917.51-55,085.14-22,011.35

Finding the Fourth Proportional to 39,917.51, 55,085.14 and 22,011.35

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Solution

The fourth proportional to 39,917.51, 55,085.14 and 22,011.35 is: 30,375.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917.51 : 55,085.14 = 22,011.35 : x
  2. Step 2: Convert to fraction form
    39,917.51/55,085.14 = 22,011.35/x
  3. Step 3: Cross multiply
    39,917.51x = 55,085.14 × 22,011.35
  4. Step 4: Simplify right side
    39,917.51x = 1,212,497,986.52
  5. Step 5: Solve for x
    x = 1,212,497,986.52/39,917.51
  6. Step 6: Final answer
    x = 30,375.09

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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.