Home / 39,431.37-54,414.56-22,435.25

Finding the Fourth Proportional to 39,431.37, 54,414.56 and 22,435.25

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Solution

The fourth proportional to 39,431.37, 54,414.56 and 22,435.25 is: 30,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,431.37 : 54,414.56 = 22,435.25 : x
  2. Step 2: Convert to fraction form
    39,431.37/54,414.56 = 22,435.25/x
  3. Step 3: Cross multiply
    39,431.37x = 54,414.56 × 22,435.25
  4. Step 4: Simplify right side
    39,431.37x = 1,220,804,041.26
  5. Step 5: Solve for x
    x = 1,220,804,041.26/39,431.37
  6. Step 6: Final answer
    x = 30,960.22

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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.