Home / 39,923.46-55,093.53-22,020.09

Finding the Fourth Proportional to 39,923.46, 55,093.53 and 22,020.09

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Solution

The fourth proportional to 39,923.46, 55,093.53 and 22,020.09 is: 30,387.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,923.46 : 55,093.53 = 22,020.09 : x
  2. Step 2: Convert to fraction form
    39,923.46/55,093.53 = 22,020.09/x
  3. Step 3: Cross multiply
    39,923.46x = 55,093.53 × 22,020.09
  4. Step 4: Simplify right side
    39,923.46x = 1,213,164,489.02
  5. Step 5: Solve for x
    x = 1,213,164,489.02/39,923.46
  6. Step 6: Final answer
    x = 30,387.26

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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.