Home / 31,922.04-47,891.70-11,147.16

Finding the Fourth Proportional to 31,922.04, 47,891.70 and 11,147.16

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Solution

The fourth proportional to 31,922.04, 47,891.70 and 11,147.16 is: 16,723.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,922.04 : 47,891.70 = 11,147.16 : x
  2. Step 2: Convert to fraction form
    31,922.04/47,891.70 = 11,147.16/x
  3. Step 3: Cross multiply
    31,922.04x = 47,891.70 × 11,147.16
  4. Step 4: Simplify right side
    31,922.04x = 533,856,442.57
  5. Step 5: Solve for x
    x = 533,856,442.57/31,922.04
  6. Step 6: Final answer
    x = 16,723.76

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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.