Home / 31,213.52-43,064.11-17,775.25

Finding the Fourth Proportional to 31,213.52, 43,064.11 and 17,775.25

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Solution

The fourth proportional to 31,213.52, 43,064.11 and 17,775.25 is: 24,523.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,213.52 : 43,064.11 = 17,775.25 : x
  2. Step 2: Convert to fraction form
    31,213.52/43,064.11 = 17,775.25/x
  3. Step 3: Cross multiply
    31,213.52x = 43,064.11 × 17,775.25
  4. Step 4: Simplify right side
    31,213.52x = 765,475,017.08
  5. Step 5: Solve for x
    x = 765,475,017.08/31,213.52
  6. Step 6: Final answer
    x = 24,523.83

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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.