Home / 29,045.97-39,822.37-28,521.09

Finding the Fourth Proportional to 29,045.97, 39,822.37 and 28,521.09

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Solution

The fourth proportional to 29,045.97, 39,822.37 and 28,521.09 is: 39,102.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,045.97 : 39,822.37 = 28,521.09 : x
  2. Step 2: Convert to fraction form
    29,045.97/39,822.37 = 28,521.09/x
  3. Step 3: Cross multiply
    29,045.97x = 39,822.37 × 28,521.09
  4. Step 4: Simplify right side
    29,045.97x = 1,135,777,398.78
  5. Step 5: Solve for x
    x = 1,135,777,398.78/29,045.97
  6. Step 6: Final answer
    x = 39,102.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.