Home / 37,815.44-52,190.20-21,689.04

Finding the Fourth Proportional to 37,815.44, 52,190.20 and 21,689.04

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Solution

The fourth proportional to 37,815.44, 52,190.20 and 21,689.04 is: 29,933.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,815.44 : 52,190.20 = 21,689.04 : x
  2. Step 2: Convert to fraction form
    37,815.44/52,190.20 = 21,689.04/x
  3. Step 3: Cross multiply
    37,815.44x = 52,190.20 × 21,689.04
  4. Step 4: Simplify right side
    37,815.44x = 1,131,955,335.41
  5. Step 5: Solve for x
    x = 1,131,955,335.41/37,815.44
  6. Step 6: Final answer
    x = 29,933.68

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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.