Home / 51,112.68-70,537.53-30,958.19

Finding the Fourth Proportional to 51,112.68, 70,537.53 and 30,958.19

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Solution

The fourth proportional to 51,112.68, 70,537.53 and 30,958.19 is: 42,723.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,112.68 : 70,537.53 = 30,958.19 : x
  2. Step 2: Convert to fraction form
    51,112.68/70,537.53 = 30,958.19/x
  3. Step 3: Cross multiply
    51,112.68x = 70,537.53 × 30,958.19
  4. Step 4: Simplify right side
    51,112.68x = 2,183,714,255.87
  5. Step 5: Solve for x
    x = 2,183,714,255.87/51,112.68
  6. Step 6: Final answer
    x = 42,723.54

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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.