Home / 31,968.88-47,953.78-12,248.44

Finding the Fourth Proportional to 31,968.88, 47,953.78 and 12,248.44

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Solution

The fourth proportional to 31,968.88, 47,953.78 and 12,248.44 is: 18,372.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,968.88 : 47,953.78 = 12,248.44 : x
  2. Step 2: Convert to fraction form
    31,968.88/47,953.78 = 12,248.44/x
  3. Step 3: Cross multiply
    31,968.88x = 47,953.78 × 12,248.44
  4. Step 4: Simplify right side
    31,968.88x = 587,358,997.10
  5. Step 5: Solve for x
    x = 587,358,997.10/31,968.88
  6. Step 6: Final answer
    x = 18,372.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.