Home / 31,874.56-43,984.40-17,725.44

Finding the Fourth Proportional to 31,874.56, 43,984.40 and 17,725.44

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Solution

The fourth proportional to 31,874.56, 43,984.40 and 17,725.44 is: 24,459.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,874.56 : 43,984.40 = 17,725.44 : x
  2. Step 2: Convert to fraction form
    31,874.56/43,984.40 = 17,725.44/x
  3. Step 3: Cross multiply
    31,874.56x = 43,984.40 × 17,725.44
  4. Step 4: Simplify right side
    31,874.56x = 779,642,843.14
  5. Step 5: Solve for x
    x = 779,642,843.14/31,874.56
  6. Step 6: Final answer
    x = 24,459.72

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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.