Home / 39,914.93-55,085.11-22,009.93

Finding the Fourth Proportional to 39,914.93, 55,085.11 and 22,009.93

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Solution

The fourth proportional to 39,914.93, 55,085.11 and 22,009.93 is: 30,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,914.93 : 55,085.11 = 22,009.93 : x
  2. Step 2: Convert to fraction form
    39,914.93/55,085.11 = 22,009.93/x
  3. Step 3: Cross multiply
    39,914.93x = 55,085.11 × 22,009.93
  4. Step 4: Simplify right side
    39,914.93x = 1,212,419,222.40
  5. Step 5: Solve for x
    x = 1,212,419,222.40/39,914.93
  6. Step 6: Final answer
    x = 30,375.08

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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.