Home / 31,967.12-47,962.20-11,196.56

Finding the Fourth Proportional to 31,967.12, 47,962.20 and 11,196.56

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Solution

The fourth proportional to 31,967.12, 47,962.20 and 11,196.56 is: 16,798.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,967.12 : 47,962.20 = 11,196.56 : x
  2. Step 2: Convert to fraction form
    31,967.12/47,962.20 = 11,196.56/x
  3. Step 3: Cross multiply
    31,967.12x = 47,962.20 × 11,196.56
  4. Step 4: Simplify right side
    31,967.12x = 537,011,650.03
  5. Step 5: Solve for x
    x = 537,011,650.03/31,967.12
  6. Step 6: Final answer
    x = 16,798.87

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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.