Home / 39,917.01-55,085.82-22,012.65

Finding the Fourth Proportional to 39,917.01, 55,085.82 and 22,012.65

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Solution

The fourth proportional to 39,917.01, 55,085.82 and 22,012.65 is: 30,377.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917.01 : 55,085.82 = 22,012.65 : x
  2. Step 2: Convert to fraction form
    39,917.01/55,085.82 = 22,012.65/x
  3. Step 3: Cross multiply
    39,917.01x = 55,085.82 × 22,012.65
  4. Step 4: Simplify right side
    39,917.01x = 1,212,584,875.62
  5. Step 5: Solve for x
    x = 1,212,584,875.62/39,917.01
  6. Step 6: Final answer
    x = 30,377.65

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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.