Home / 51,453.16-70,982.82-30,222.86

Finding the Fourth Proportional to 51,453.16, 70,982.82 and 30,222.86

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Solution

The fourth proportional to 51,453.16, 70,982.82 and 30,222.86 is: 41,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,453.16 : 70,982.82 = 30,222.86 : x
  2. Step 2: Convert to fraction form
    51,453.16/70,982.82 = 30,222.86/x
  3. Step 3: Cross multiply
    51,453.16x = 70,982.82 × 30,222.86
  4. Step 4: Simplify right side
    51,453.16x = 2,145,303,476.35
  5. Step 5: Solve for x
    x = 2,145,303,476.35/51,453.16
  6. Step 6: Final answer
    x = 41,694.30

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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.