Home / 31,645.56-47,453.46-18,501.96

Finding the Fourth Proportional to 31,645.56, 47,453.46 and 18,501.96

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Solution

The fourth proportional to 31,645.56, 47,453.46 and 18,501.96 is: 27,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,645.56 : 47,453.46 = 18,501.96 : x
  2. Step 2: Convert to fraction form
    31,645.56/47,453.46 = 18,501.96/x
  3. Step 3: Cross multiply
    31,645.56x = 47,453.46 × 18,501.96
  4. Step 4: Simplify right side
    31,645.56x = 877,982,018.78
  5. Step 5: Solve for x
    x = 877,982,018.78/31,645.56
  6. Step 6: Final answer
    x = 27,744.24

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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.