Home / 39,397.44-54,367.22-22,403.54

Finding the Fourth Proportional to 39,397.44, 54,367.22 and 22,403.54

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Solution

The fourth proportional to 39,397.44, 54,367.22 and 22,403.54 is: 30,916.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,397.44 : 54,367.22 = 22,403.54 : x
  2. Step 2: Convert to fraction form
    39,397.44/54,367.22 = 22,403.54/x
  3. Step 3: Cross multiply
    39,397.44x = 54,367.22 × 22,403.54
  4. Step 4: Simplify right side
    39,397.44x = 1,218,018,187.96
  5. Step 5: Solve for x
    x = 1,218,018,187.96/39,397.44
  6. Step 6: Final answer
    x = 30,916.18

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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.