Home / 31,569.12-47,353.68-11,844

Finding the Fourth Proportional to 31,569.12, 47,353.68 and 11,844

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Solution

The fourth proportional to 31,569.12, 47,353.68 and 11,844 is: 17,766

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,569.12 : 47,353.68 = 11,844 : x
  2. Step 2: Convert to fraction form
    31,569.12/47,353.68 = 11,844/x
  3. Step 3: Cross multiply
    31,569.12x = 47,353.68 × 11,844
  4. Step 4: Simplify right side
    31,569.12x = 560,856,985.92
  5. Step 5: Solve for x
    x = 560,856,985.92/31,569.12
  6. Step 6: Final answer
    x = 17,766

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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.