Home / 39,917.19-55,085.01-22,013.82

Finding the Fourth Proportional to 39,917.19, 55,085.01 and 22,013.82

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Solution

The fourth proportional to 39,917.19, 55,085.01 and 22,013.82 is: 30,378.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917.19 : 55,085.01 = 22,013.82 : x
  2. Step 2: Convert to fraction form
    39,917.19/55,085.01 = 22,013.82/x
  3. Step 3: Cross multiply
    39,917.19x = 55,085.01 × 22,013.82
  4. Step 4: Simplify right side
    39,917.19x = 1,212,631,494.84
  5. Step 5: Solve for x
    x = 1,212,631,494.84/39,917.19
  6. Step 6: Final answer
    x = 30,378.68

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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.