Home / 37,231.56-51,378.64-21,314.66

Finding the Fourth Proportional to 37,231.56, 51,378.64 and 21,314.66

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Solution

The fourth proportional to 37,231.56, 51,378.64 and 21,314.66 is: 29,413.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,231.56 : 51,378.64 = 21,314.66 : x
  2. Step 2: Convert to fraction form
    37,231.56/51,378.64 = 21,314.66/x
  3. Step 3: Cross multiply
    37,231.56x = 51,378.64 × 21,314.66
  4. Step 4: Simplify right side
    37,231.56x = 1,095,117,932.68
  5. Step 5: Solve for x
    x = 1,095,117,932.68/37,231.56
  6. Step 6: Final answer
    x = 29,413.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.