Home / 31,596.18-47,394.14-12,872.04

Finding the Fourth Proportional to 31,596.18, 47,394.14 and 12,872.04

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Solution

The fourth proportional to 31,596.18, 47,394.14 and 12,872.04 is: 19,308.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,596.18 : 47,394.14 = 12,872.04 : x
  2. Step 2: Convert to fraction form
    31,596.18/47,394.14 = 12,872.04/x
  3. Step 3: Cross multiply
    31,596.18x = 47,394.14 × 12,872.04
  4. Step 4: Simplify right side
    31,596.18x = 610,059,201.49
  5. Step 5: Solve for x
    x = 610,059,201.49/31,596.18
  6. Step 6: Final answer
    x = 19,308.01

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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.