Home / 31,642.52-43,662.86-17,493.44

Finding the Fourth Proportional to 31,642.52, 43,662.86 and 17,493.44

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Solution

The fourth proportional to 31,642.52, 43,662.86 and 17,493.44 is: 24,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,642.52 : 43,662.86 = 17,493.44 : x
  2. Step 2: Convert to fraction form
    31,642.52/43,662.86 = 17,493.44/x
  3. Step 3: Cross multiply
    31,642.52x = 43,662.86 × 17,493.44
  4. Step 4: Simplify right side
    31,642.52x = 763,813,621.64
  5. Step 5: Solve for x
    x = 763,813,621.64/31,642.52
  6. Step 6: Final answer
    x = 24,138.84

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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.