Home / 39,201.42-54,097.20-22,205.43

Finding the Fourth Proportional to 39,201.42, 54,097.20 and 22,205.43

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Solution

The fourth proportional to 39,201.42, 54,097.20 and 22,205.43 is: 30,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,201.42 : 54,097.20 = 22,205.43 : x
  2. Step 2: Convert to fraction form
    39,201.42/54,097.20 = 22,205.43/x
  3. Step 3: Cross multiply
    39,201.42x = 54,097.20 × 22,205.43
  4. Step 4: Simplify right side
    39,201.42x = 1,201,251,587.80
  5. Step 5: Solve for x
    x = 1,201,251,587.80/39,201.42
  6. Step 6: Final answer
    x = 30,643.06

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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.