Home / 39,827.97-54,962.16-21,922.59

Finding the Fourth Proportional to 39,827.97, 54,962.16 and 21,922.59

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Solution

The fourth proportional to 39,827.97, 54,962.16 and 21,922.59 is: 30,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,827.97 : 54,962.16 = 21,922.59 : x
  2. Step 2: Convert to fraction form
    39,827.97/54,962.16 = 21,922.59/x
  3. Step 3: Cross multiply
    39,827.97x = 54,962.16 × 21,922.59
  4. Step 4: Simplify right side
    39,827.97x = 1,204,912,899.19
  5. Step 5: Solve for x
    x = 1,204,912,899.19/39,827.97
  6. Step 6: Final answer
    x = 30,252.93

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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.