Home / 31,872.92-47,808.83-11,095.88

Finding the Fourth Proportional to 31,872.92, 47,808.83 and 11,095.88

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Solution

The fourth proportional to 31,872.92, 47,808.83 and 11,095.88 is: 16,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872.92 : 47,808.83 = 11,095.88 : x
  2. Step 2: Convert to fraction form
    31,872.92/47,808.83 = 11,095.88/x
  3. Step 3: Cross multiply
    31,872.92x = 47,808.83 × 11,095.88
  4. Step 4: Simplify right side
    31,872.92x = 530,480,829.32
  5. Step 5: Solve for x
    x = 530,480,829.32/31,872.92
  6. Step 6: Final answer
    x = 16,643.62

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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.