Home / 39,255.64-54,171.62-22,261.43

Finding the Fourth Proportional to 39,255.64, 54,171.62 and 22,261.43

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Solution

The fourth proportional to 39,255.64, 54,171.62 and 22,261.43 is: 30,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,255.64 : 54,171.62 = 22,261.43 : x
  2. Step 2: Convert to fraction form
    39,255.64/54,171.62 = 22,261.43/x
  3. Step 3: Cross multiply
    39,255.64x = 54,171.62 × 22,261.43
  4. Step 4: Simplify right side
    39,255.64x = 1,205,937,726.62
  5. Step 5: Solve for x
    x = 1,205,937,726.62/39,255.64
  6. Step 6: Final answer
    x = 30,720.11

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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.