Home / 31,950.68-47,917.80-13,235.96

Finding the Fourth Proportional to 31,950.68, 47,917.80 and 13,235.96

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Solution

The fourth proportional to 31,950.68, 47,917.80 and 13,235.96 is: 19,850.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,950.68 : 47,917.80 = 13,235.96 : x
  2. Step 2: Convert to fraction form
    31,950.68/47,917.80 = 13,235.96/x
  3. Step 3: Cross multiply
    31,950.68x = 47,917.80 × 13,235.96
  4. Step 4: Simplify right side
    31,950.68x = 634,238,084.09
  5. Step 5: Solve for x
    x = 634,238,084.09/31,950.68
  6. Step 6: Final answer
    x = 19,850.53

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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.