Home / 31,845.24-47,768.92-14,315.12

Finding the Fourth Proportional to 31,845.24, 47,768.92 and 14,315.12

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Solution

The fourth proportional to 31,845.24, 47,768.92 and 14,315.12 is: 21,473.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,845.24 : 47,768.92 = 14,315.12 : x
  2. Step 2: Convert to fraction form
    31,845.24/47,768.92 = 14,315.12/x
  3. Step 3: Cross multiply
    31,845.24x = 47,768.92 × 14,315.12
  4. Step 4: Simplify right side
    31,845.24x = 683,817,511.65
  5. Step 5: Solve for x
    x = 683,817,511.65/31,845.24
  6. Step 6: Final answer
    x = 21,473.15

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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.