Home / 31,704.84-43,752.59-18,276.02

Finding the Fourth Proportional to 31,704.84, 43,752.59 and 18,276.02

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Solution

The fourth proportional to 31,704.84, 43,752.59 and 18,276.02 is: 25,220.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,704.84 : 43,752.59 = 18,276.02 : x
  2. Step 2: Convert to fraction form
    31,704.84/43,752.59 = 18,276.02/x
  3. Step 3: Cross multiply
    31,704.84x = 43,752.59 × 18,276.02
  4. Step 4: Simplify right side
    31,704.84x = 799,622,899.75
  5. Step 5: Solve for x
    x = 799,622,899.75/31,704.84
  6. Step 6: Final answer
    x = 25,220.85

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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.