Home / 39,197.94-54,092.25-21,292.55

Finding the Fourth Proportional to 39,197.94, 54,092.25 and 21,292.55

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Solution

The fourth proportional to 39,197.94, 54,092.25 and 21,292.55 is: 29,383.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,197.94 : 54,092.25 = 21,292.55 : x
  2. Step 2: Convert to fraction form
    39,197.94/54,092.25 = 21,292.55/x
  3. Step 3: Cross multiply
    39,197.94x = 54,092.25 × 21,292.55
  4. Step 4: Simplify right side
    39,197.94x = 1,151,761,667.28
  5. Step 5: Solve for x
    x = 1,151,761,667.28/39,197.94
  6. Step 6: Final answer
    x = 29,383.22

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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.