Home / 39,914.69-55,081.94-22,010.45

Finding the Fourth Proportional to 39,914.69, 55,081.94 and 22,010.45

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Solution

The fourth proportional to 39,914.69, 55,081.94 and 22,010.45 is: 30,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,914.69 : 55,081.94 = 22,010.45 : x
  2. Step 2: Convert to fraction form
    39,914.69/55,081.94 = 22,010.45/x
  3. Step 3: Cross multiply
    39,914.69x = 55,081.94 × 22,010.45
  4. Step 4: Simplify right side
    39,914.69x = 1,212,377,900.81
  5. Step 5: Solve for x
    x = 1,212,377,900.81/39,914.69
  6. Step 6: Final answer
    x = 30,374.23

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1.5x scale

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.