Home / 39,986.97-55,189.17-23,855.28

Finding the Fourth Proportional to 39,986.97, 55,189.17 and 23,855.28

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Solution

The fourth proportional to 39,986.97, 55,189.17 and 23,855.28 is: 32,924.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,986.97 : 55,189.17 = 23,855.28 : x
  2. Step 2: Convert to fraction form
    39,986.97/55,189.17 = 23,855.28/x
  3. Step 3: Cross multiply
    39,986.97x = 55,189.17 × 23,855.28
  4. Step 4: Simplify right side
    39,986.97x = 1,316,553,103.32
  5. Step 5: Solve for x
    x = 1,316,553,103.32/39,986.97
  6. Step 6: Final answer
    x = 32,924.55

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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.