Home / 31,568.07-47,339.73-11,835.87

Finding the Fourth Proportional to 31,568.07, 47,339.73 and 11,835.87

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Solution

The fourth proportional to 31,568.07, 47,339.73 and 11,835.87 is: 17,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,568.07 : 47,339.73 = 11,835.87 : x
  2. Step 2: Convert to fraction form
    31,568.07/47,339.73 = 11,835.87/x
  3. Step 3: Cross multiply
    31,568.07x = 47,339.73 × 11,835.87
  4. Step 4: Simplify right side
    31,568.07x = 560,306,890.12
  5. Step 5: Solve for x
    x = 560,306,890.12/31,568.07
  6. Step 6: Final answer
    x = 17,749.17

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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.