Home / 39,382.82-54,351.51-22,392.39

Finding the Fourth Proportional to 39,382.82, 54,351.51 and 22,392.39

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Solution

The fourth proportional to 39,382.82, 54,351.51 and 22,392.39 is: 30,903.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,382.82 : 54,351.51 = 22,392.39 : x
  2. Step 2: Convert to fraction form
    39,382.82/54,351.51 = 22,392.39/x
  3. Step 3: Cross multiply
    39,382.82x = 54,351.51 × 22,392.39
  4. Step 4: Simplify right side
    39,382.82x = 1,217,060,209.01
  5. Step 5: Solve for x
    x = 1,217,060,209.01/39,382.82
  6. Step 6: Final answer
    x = 30,903.33

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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.