Home / 31,546.87-47,313.62-11,826.88

Finding the Fourth Proportional to 31,546.87, 47,313.62 and 11,826.88

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Solution

The fourth proportional to 31,546.87, 47,313.62 and 11,826.88 is: 17,737.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,546.87 : 47,313.62 = 11,826.88 : x
  2. Step 2: Convert to fraction form
    31,546.87/47,313.62 = 11,826.88/x
  3. Step 3: Cross multiply
    31,546.87x = 47,313.62 × 11,826.88
  4. Step 4: Simplify right side
    31,546.87x = 559,572,550.46
  5. Step 5: Solve for x
    x = 559,572,550.46/31,546.87
  6. Step 6: Final answer
    x = 17,737.81

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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.