Home / 31,788.48-43,868.84-17,641

Finding the Fourth Proportional to 31,788.48, 43,868.84 and 17,641

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Solution

The fourth proportional to 31,788.48, 43,868.84 and 17,641 is: 24,344.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,788.48 : 43,868.84 = 17,641 : x
  2. Step 2: Convert to fraction form
    31,788.48/43,868.84 = 17,641/x
  3. Step 3: Cross multiply
    31,788.48x = 43,868.84 × 17,641
  4. Step 4: Simplify right side
    31,788.48x = 773,890,206.44
  5. Step 5: Solve for x
    x = 773,890,206.44/31,788.48
  6. Step 6: Final answer
    x = 24,344.99

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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.