Home / 31,704.44-43,752.04-18,275.58

Finding the Fourth Proportional to 31,704.44, 43,752.04 and 18,275.58

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Solution

The fourth proportional to 31,704.44, 43,752.04 and 18,275.58 is: 25,220.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,704.44 : 43,752.04 = 18,275.58 : x
  2. Step 2: Convert to fraction form
    31,704.44/43,752.04 = 18,275.58/x
  3. Step 3: Cross multiply
    31,704.44x = 43,752.04 × 18,275.58
  4. Step 4: Simplify right side
    31,704.44x = 799,593,907.18
  5. Step 5: Solve for x
    x = 799,593,907.18/31,704.44
  6. Step 6: Final answer
    x = 25,220.25

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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.