Home / 39,914.80-55,081.74-22,011.52

Finding the Fourth Proportional to 39,914.80, 55,081.74 and 22,011.52

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Solution

The fourth proportional to 39,914.80, 55,081.74 and 22,011.52 is: 30,375.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,914.80 : 55,081.74 = 22,011.52 : x
  2. Step 2: Convert to fraction form
    39,914.80/55,081.74 = 22,011.52/x
  3. Step 3: Cross multiply
    39,914.80x = 55,081.74 × 22,011.52
  4. Step 4: Simplify right side
    39,914.80x = 1,212,432,821.64
  5. Step 5: Solve for x
    x = 1,212,432,821.64/39,914.80
  6. Step 6: Final answer
    x = 30,375.52

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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.