Home / 29,018.88-40,032-17,821.44

Finding the Fourth Proportional to 29,018.88, 40,032 and 17,821.44

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Solution

The fourth proportional to 29,018.88, 40,032 and 17,821.44 is: 24,584.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,018.88 : 40,032 = 17,821.44 : x
  2. Step 2: Convert to fraction form
    29,018.88/40,032 = 17,821.44/x
  3. Step 3: Cross multiply
    29,018.88x = 40,032 × 17,821.44
  4. Step 4: Simplify right side
    29,018.88x = 713,427,886.08
  5. Step 5: Solve for x
    x = 713,427,886.08/29,018.88
  6. Step 6: Final answer
    x = 24,584.96

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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.