Home / 39,306.01-54,305.90-27,422.40

Finding the Fourth Proportional to 39,306.01, 54,305.90 and 27,422.40

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Solution

The fourth proportional to 39,306.01, 54,305.90 and 27,422.40 is: 37,887.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,306.01 : 54,305.90 = 27,422.40 : x
  2. Step 2: Convert to fraction form
    39,306.01/54,305.90 = 27,422.40/x
  3. Step 3: Cross multiply
    39,306.01x = 54,305.90 × 27,422.40
  4. Step 4: Simplify right side
    39,306.01x = 1,489,198,112.16
  5. Step 5: Solve for x
    x = 1,489,198,112.16/39,306.01
  6. Step 6: Final answer
    x = 37,887.29

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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.