Home / 39,255.29-54,171.14-22,261.08

Finding the Fourth Proportional to 39,255.29, 54,171.14 and 22,261.08

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Solution

The fourth proportional to 39,255.29, 54,171.14 and 22,261.08 is: 30,719.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,255.29 : 54,171.14 = 22,261.08 : x
  2. Step 2: Convert to fraction form
    39,255.29/54,171.14 = 22,261.08/x
  3. Step 3: Cross multiply
    39,255.29x = 54,171.14 × 22,261.08
  4. Step 4: Simplify right side
    39,255.29x = 1,205,907,969.93
  5. Step 5: Solve for x
    x = 1,205,907,969.93/39,255.29
  6. Step 6: Final answer
    x = 30,719.63

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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.